piotrkulpinski/open-source-alternatives

Curated list of open source alternatives to proprietary software.

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updated Oct 12, 2026

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Awesome Open Source Alternatives

An awesome list of open source alternatives to proprietary software, maintained by OpenAlternative.

Note: This repository has been repurposed as a curated awesome-list. The original Next.js directory boilerplate that was previously hosted here is now available as Dirstarter — a complete, battle-tested starter kit for building profitable directory websites.

AI & Machine Learning

AI Development Platforms

Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
ACI.dev - Build reliable AI agents with unified tool integration Apache-2.0 ⭐ 4.9K
Agent Zero - Agentic AI framework that runs, learns, and self-corrects MIT ⭐ 19K
AgentOS - TypeScript framework for building autonomous AI agents Apache-2.0 ⭐ 677
Agno - Model-agnostic platform for building intelligent AI agents Apache-2.0 ⭐ 43K
AutoGPT - Build and run AI agents that handle recurring work for you Other ⭐ 188K
Beam - Serverless GPU compute with sub-second cold starts AGPL-3.0 ⭐ 1.8K
Bifrost - Ultra-fast AI gateway with enterprise-grade reliability Apache-2.0 ⭐ 8.7K
Botpress - Build powerful AI agents with cutting-edge LLM technology MIT ⭐ 15K
ByteChef - Build AI agents and automate complex workflows seamlessly Apache-2.0 ⭐ 1K
CodeZero - Build complex automations without code, deploy anywhere with full control MIT ⭐ 56
CopilotKit - Build AI copilots for your product in hours, not months MIT ⭐ 38K
Dify - Build and deploy AI agents and RAG pipelines visually ⭐ 158K
Dograh - Self-hostable voice agent platform with full model control BSD-2-Clause ⭐ 5.8K
E2B - Secure cloud environments for enterprise AI agents Apache-2.0 ⭐ 14K
Envoy AI Gateway - Route GenAI traffic with confidence using open source Apache-2.0 ⭐ 2.2K
Giselle - Build and deploy AI agents through visual workflows Apache-2.0 ⭐ 557
Goose - General-purpose AI agent for code, workflows, and more Apache-2.0 ⭐ 55K
Hermes Agent - Desktop AI agent with persistent memory across platforms MIT ⭐ 253K
Hexabot - Self-hosted AI agents and workflows across any channel AGPL-3.0 ⭐ 1.1K
IronClaw - AI agent runtime with encrypted enclaves for your secrets Apache-2.0 ⭐ 13K
Kortix - AI workforce platform where agents, skills, and memory live in your repo Elastic-2.0 ⭐ 20K
Langflow - Visual builder for AI agents and RAG pipelines MIT ⭐ 155K
Letta - Stateful AI agents that remember, learn, and improve over time Apache-2.0 ⭐ 3.6K
LibreChat - One interface for all your AI models and conversations MIT ⭐ 45K
LiteLLM - LLM gateway for auth, load balancing, and spend tracking ⭐ 61K
LiveKit - Full-stack platform for voice, video, and physical AI agents Apache-2.0 ⭐ 21K
LLM Gateway - Unified API for all LLM providers with analytics MIT ⭐ 1.7K
LobeChat - Manage, build, and run AI agent teams around the clock ⭐ 83K
Mem0 - Persistent memory layer for AI agents and apps Apache-2.0 ⭐ 67K
Multica - Project management for teams mixing humans and AI agents ⭐ 52K
Nango - Build product integrations with 500+ APIs in hours Elastic-2.0 ⭐ 13K
nanobot - Self-hosted AI agent for chat, automation, and workflows MIT ⭐ 49K
NemoClaw - Open blueprints for governed, always-on AI agents Apache-2.0 ⭐ 23K
Omnara - One API to deploy and run agents on any model or machine Apache-2.0 ⭐ 2.9K
OpenComputer - Persistent cloud VMs that hibernate and wake in seconds Apache-2.0 ⭐ 562
OpenWork - Multi-model AI workspace with org-wide skill sharing MIT ⭐ 24K
Paperclip - Org chart, budgets, and governance for AI agent teams MIT ⭐ 100K
Portkey AI Gateway - Complete production stack for AI teams MIT ⭐ 13K
Rivet - Build stateful backends with in-memory actors Apache-2.0 ⭐ 6.3K
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
ZeroClaw - Self-hosted AI agent with 70+ providers and 30+ channels Apache-2.0 ⭐ 33K

AI Security & Privacy

Proxed AI - Secure AI API management for iOS apps with DeviceCheck AGPL-3.0 ⭐ 8
VerifyWise - AI governance made simple, secure, and compliant AGPL-3.0 ⭐ 360

Machine Learning Infrastructure

Agenta - Build, automate, and improve AI agents with your team MIT ⭐ 4.8K
Arize Phoenix - Open-source LLM tracing & evaluation for AI optimization Elastic-2.0 ⭐ 12K
Beam - Serverless GPU compute with sub-second cold starts AGPL-3.0 ⭐ 1.8K
Deepnote - Python, SQL, and AI in a collaborative data notebook Apache-2.0 ⭐ 3K
dstack - GPU orchestration across clouds, Kubernetes, and on-prem MPL-2.0 ⭐ 2.3K
GPT4All - Run open-source AI models privately on your own device MIT ⭐ 77K
Grepture - Trace, evaluate, and protect every LLM call in one SDK AGPL-3.0 ⭐ 10
Helicone - Build reliable AI apps with comprehensive observability Apache-2.0 ⭐ 6.2K
Jan - Run AI models locally or connect to cloud, privately Apache-2.0 ⭐ 45K
Laminar - AI-powered platform for engineering LLM products Apache-2.0 ⭐ 3.4K
Langfuse - Open source LLM engineering platform for AI-powered applications MIT ⭐ 36K
LangWatch - Simulation-based testing and evaluation for AI agents Apache-2.0 ⭐ 4.9K
Latitude - Full observability for AI agents in production MIT ⭐ 4.7K
llama.cpp - Run LLMs locally with minimal setup, maximum hardware support MIT ⭐ 131K
LocalAI - Self-hosted AI runtime for text, voice, vision, and agents MIT ⭐ 49K
mlop - Experiment tracking platform for ML teams Apache-2.0 ⭐ 393
Ollama - Run open-source LLMs locally on your own machine MIT ⭐ 183K
Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 40K
OpenLIT - Monitor, debug, and scale LLM applications with ease Apache-2.0 ⭐ 2.8K
OpenLLMetry - Monitor LLM performance with open-source observability Apache-2.0 ⭐ 7.5K
Spanlens - LLM observability: cost, latency, and traces in one place MIT ⭐ 13
vLLM - High-throughput, memory-efficient serving engine for LLMs Apache-2.0 ⭐ 94K

AI Interaction & Interfaces

Macro Mail - Keyboard-first email client with AI, chat, and tasks AGPL-3.0 ⭐ 4.6K
Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
Proton Lumo - Private AI chat with zero-access encryption GPL-3.0 ⭐ 5.6K
5ire - Smart desktop AI assistant with powerful local knowledge features ⭐ 5.4K
AnythingLLM - Chat with your documents using any LLM, fully private MIT ⭐ 67K
Browser Operator - Open-source AI browser for intelligent web automation BSD-3-Clause ⭐ 511
Browser Use - Let AI agents control any browser, at scale MIT ⭐ 118K
Cherry Studio - Multi-model AI desktop client with local-first privacy AGPL-3.0 ⭐ 53K
CopilotKit - Build AI copilots for your product in hours, not months MIT ⭐ 38K
Corpus - Ask once, get answers across every document AGPL-3.0 ⭐ 13
ego lite - Chromium browser built for sharing with AI agents MIT ⭐ 17K
Eigent - Desktop multi-agent workforce for automating real tasks Apache-2.0 ⭐ 15K
FastGPT - Build powerful AI knowledge bases with ease ⭐ 30K
Fullmoon - Chat with private and local large language models MIT ⭐ 2.3K
Hermes Agent - Desktop AI agent with persistent memory across platforms MIT ⭐ 253K
Inbox Zero - AI email assistant that automates, organizes, and declutters AGPL-3.0 ⭐ 12K
IronClaw - AI agent runtime with encrypted enclaves for your secrets Apache-2.0 ⭐ 13K
Jan - Run AI models locally or connect to cloud, privately Apache-2.0 ⭐ 45K
Jarvis - Dictate faster and control your Mac with voice MIT ⭐ 647
Khoj - AI second brain for research, automation, and personal agents AGPL-3.0 ⭐ 38K
Leon - Your open-source personal assistant for server automation MIT ⭐ 18K
LibreChat - One interface for all your AI models and conversations MIT ⭐ 45K
Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 36K
LobeChat - Manage, build, and run AI agent teams around the clock ⭐ 83K
MausBot - A team of AI agents in a chat app, on your own machine Apache-2.0 ⭐ 4.3K
MaxKB - AI assistant that enhances enterprise knowledge management GPL-3.0 ⭐ 23K
Meetily - Local AI meeting transcription with zero data leaving your device MIT ⭐ 32K
Minutes - Local meeting recorder that keeps your audio off the cloud MIT ⭐ 1.5K
Morphic - AI-powered answer engine with dynamic interface generation Apache-2.0 ⭐ 9.2K
nanobot - Self-hosted AI agent for chat, automation, and workflows MIT ⭐ 49K
NanoClaw - Personal AI agent for messaging apps, containerized MIT ⭐ 31K
Onyx - Unified AI-powered enterprise search across company data MIT ⭐ 32K
Open WebUI - One interface for every AI model you run or connect BSD-3-Clause ⭐ 154K
Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 40K
OpenBot - Self-hosted enterprise agent platform with real permissions MIT ⭐ 6.3K
OpenClaw - An AI assistant that acts, not just answers MIT ⭐ 392K
Orama - Full-text & vector search at the edge. ⭐ 11K
Pearl - AI-powered automation that lives in your Slack workspace Apache-2.0 ⭐ 1.1K
Pipeshub - Enterprise workplace AI with data you own and control Apache-2.0 ⭐ 3.8K
Prismical - Transcribe meetings and voice notes with local AI, no bots required MIT ⭐ 101
Rakazo - Self-hosted AI agents that do real work on your machine Apache-2.0 ⭐ 3.6K
Scira - Minimalistic AI-powered search engine for instant answers AGPL-3.0 ⭐ 12K
screenpipe - 24/7 screen and audio recorder with AI memory search Other ⭐ 22K
Skyvern - Automate any website workflow with AI and computer vision AGPL-3.0 ⭐ 23K
Steel - Cloud browser sessions for AI agents and web automation Apache-2.0 ⭐ 7.8K
SurfSense - Privacy-first knowledge base with any AI model you choose Apache-2.0 ⭐ 16K
Swirl Search - Get instant answers from your company knowledge Apache-2.0 ⭐ 3K
Typebot - Create powerful chatbots without coding ⭐ 11K
ZeroClaw - Self-hosted AI agent with 70+ providers and 30+ channels Apache-2.0 ⭐ 33K
Zola - AI chat companion with versatile model support Apache-2.0 ⭐ 1.5K

Business Software

Marketing & Customer Engagement

Novu - Multi-channel notification infrastructure for apps ⭐ 40K
OpenSEO - Self-hosted SEO platform for keyword, backlink, and rank tracking MIT ⭐ 23K
Postiz - Schedule, analyze, and manage 30+ social media accounts AGPL-3.0 ⭐ 37K
Billion Mail - Open-source mail server with unlimited sending & AI tools AGPL-3.0 ⭐ 16K
Brace.to - Securely save and access your favorite links across devices MIT ⭐ 107
Chaskiq - Open-source customer communication platform ⭐ 3.6K
Chatwoot - Omnichannel customer support with a built-in AI assistant MIT ⭐ 38K
Contentport - Your content engine for growing on Twitter at scale AGPL-3.0 ⭐ 769
Cossistant - AI-native support infrastructure for modern SaaS AGPL-3.0 ⭐ 730
Dittofeed - Open-source customer engagement platform for automation MIT ⭐ 3K
Dub Links - Branded short links with analytics and conversion tracking AGPL-3.0 ⭐ 25K
Dub Partners - Affiliate marketing platform built for SaaS companies AGPL-3.0 ⭐ 25K
Erxes - Open-source growth platform for customer-centric teams AGPL-3.0 ⭐ 4.1K
Fonoster - Open-source cloud communications platform for developers MIT ⭐ 8.1K
Frappe Helpdesk - Open-source ticketing system for streamlined support AGPL-3.0 ⭐ 3.4K
Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.6K
Hyvor Post - Privacy-first newsletter platform without tracking AGPL-3.0 ⭐ 33
Keila - Open-source email marketing for the privacy-conscious AGPL-3.0 ⭐ 2.2K
Krayin - Self-hosted CRM for enhanced business relationships MIT ⭐ 24K
Kutt - Simplify your links with this free, modern URL shortener MIT ⭐ 11K
LinkStack - Your digital identity, beautifully organized AGPL-3.0 ⭐ 3.9K
Linky - A delightfully rich and dynamic link-in-bio. MIT ⭐ 802
Listmonk - Self-hosted newsletter and mailing list manager AGPL-3.0 ⭐ 24K
LittleLink - Create your own link-in-bio page with 100+ branded buttons MIT ⭐ 3.1K
Lua.sh - Professional link management for modern teams AGPL-3.0 ⭐ 344
Mautic - Open source marketing automation for everyone ⭐ 11K
Mixpost - Self-hosted social media management without limits MIT ⭐ 3.8K
Notifuse - Self-hosted email platform with visual editor & analytics AGPL-3.0 ⭐ 2.2K
Notra - Track your brand's visibility across AI answer engines AGPL-3.0 ⭐ 257
Plunk - The open-source, affordable email platform AGPL-3.0 ⭐ 5.5K
Sendportal - Self-hosted email marketing with unlimited everything MIT ⭐ 2.2K
Sendune - Simplify AWS SES email management with ease MIT ⭐ 2.3K
Shlink - The definitive self-hosted URL shortener MIT ⭐ 5.3K
Sink - Simple, speedy, and secure link shortener with analytics AGPL-3.0 ⭐ 7.2K
Slugy - Transform long URLs into beautiful, trackable short links MIT ⭐ 93
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
TryPost - Schedule posts to every major social network, self-hosted AGPL-3.0 ⭐ 692
useSend - Pay per email sent, not for contact storage AGPL-3.0 ⭐ 4.7K
WR.DO - Free DNS management and URL shortening platform MIT ⭐ 2.3K
Wraps - Code-first email platform that deploys to your AWS AGPL-3.0 ⭐ 63
Zammad - Powerful helpdesk solution for streamlined customer service AGPL-3.0 ⭐ 6K

Customer Support & Success

BugPin - Self-hosted visual bug reporting with screenshot annotation AGPL-3.0 ⭐ 44
Chaskiq - Open-source customer communication platform ⭐ 3.6K
Chatwoot - Omnichannel customer support with a built-in AI assistant MIT ⭐ 38K
ClearFlask - Open-source ideation tool for product feedback management Apache-2.0 ⭐ 451
Cossistant - AI-native support infrastructure for modern SaaS AGPL-3.0 ⭐ 730
Fider - Open-source platform for collecting and prioritizing feedback AGPL-3.0 ⭐ 4.6K
Formbricks - Privacy-first survey and experience management platform AGPL-3.0 ⭐ 13K
Frappe Helpdesk - Open-source ticketing system for streamlined support AGPL-3.0 ⭐ 3.4K
Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.6K
LogChimp - Open-source feedback management for product teams Apache-2.0 ⭐ 1.1K
Reflet - Turn user feedback into features that matter SSPL-1.0 ⭐ 39
SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 159
Sayr - Bridge internal workflows with public collaboration ⭐ 29
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
Usertour - Create engaging product tours and user onboarding experiences AGPL-3.0 ⭐ 2.3K
UserTourKit - Lightweight, accessible product tours built for React developers MIT ⭐ 68
Zammad - Powerful helpdesk solution for streamlined customer service AGPL-3.0 ⭐ 6K

E-commerce Platforms

Alokai - Build and deploy scalable storefronts with ease MIT ⭐ 11K
Bagisto - Open source Laravel eCommerce platform for modern businesses MIT ⭐ 28K
Medusa - Open-source e-commerce for modern developers MIT ⭐ 37K
Saleor - Flexible e-commerce platform for modern businesses BSD-3-Clause ⭐ 23K
Shopware - Open source ecommerce platform for modern businesses MIT ⭐ 3.4K
Solidus - Flexible eCommerce platform for brands that stand out BSD-3-Clause ⭐ 5.3K
Spree Commerce - Open source headless commerce with REST API, no platform fees, built for B2B and marketplaces BSD-3-Clause ⭐ 16K
UnoPim - AI-powered PIM for managing product catalogs at scale MIT ⭐ 11K
Vendure - Flexible e-commerce for modern businesses MIT ⭐ 8.5K
WooCommerce - Open-source ecommerce platform for WordPress GPL-2.0 ⭐ 11K
Your Next Store (YNS) - Launch Your Store in Minutes, No Code Needed MIT ⭐ 5.5K

Project & Work Management

Macro Tasks - Task management with GitHub sync and AI agents for devs AGPL-3.0 ⭐ 4.6K
AppFlowy - AI workspace for docs, projects, and wikis you control AGPL-3.0 ⭐ 77K
Colanode - Self-hosted team workspace with chat, docs, and databases Apache-2.0 ⭐ 5.2K
Donetick - Smart task management for individuals and families AGPL-3.0 ⭐ 2.6K
Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 589
Fizzy - Modern kanban that's fast, fun, and refreshingly simple ⭐ 8.2K
GitLab - AI-powered DevSecOps for faster, secure software delivery MIT ⭐ 25K
Huly - All-in-one workspace for project, chat, and docs EPL-2.0 ⭐ 28K
Kan - Open source kanban boards with unlimited everything AGPL-3.0 ⭐ 5.8K
Kanba - Beautiful Kanban boards with seamless payment integration MIT ⭐ 662
Kaneo - Simple, secure project management for development teams MIT ⭐ 9.4K
Kanri - Simplify your workflow with offline Kanban boards GPL-3.0 ⭐ 2.1K
Leantime - Goal-driven project management for all brains AGPL-3.0 ⭐ 12K
Manage - Open-source project management inspired by Basecamp AGPL-3.0 ⭐ 71
OpenProject - Classic, agile, or hybrid project management, self-hosted GPL-3.0 ⭐ 16K
Operately - Open source company management for high-performance startups Apache-2.0 ⭐ 579
Orgnise - Effortlessly manage tasks, projects, and teams AGPL-3.0 ⭐ 249
Plane - Project management for teams and AI agents AGPL-3.0 ⭐ 61K
Planka - Self-hosted Kanban board with real-time collaboration ⭐ 13K
Redmine - Flexible project management you can host yourself GPL-2.0 ⭐ 6K
Sayr - Bridge internal workflows with public collaboration ⭐ 29
Shelve - Simplify project management for developers Apache-2.0 ⭐ 458
ShipShipShip - Open-source changelog & roadmap platform for teams Apache-2.0 ⭐ 301
Super Productivity - Task manager with time tracking, focus mode, and deep work tools MIT ⭐ 23K
Taiga - Agile project management for cross-functional teams MPL-2.0 ⭐ 858
Vikunja - Organize, collaborate, and conquer your tasks AGPL-3.0 ⭐ 5.7K
Wekan - Visual project management with complete data control MIT ⭐ 21K
Windshift - Self-hosted project management with boards and test tracking AGPL-3.0 ⭐ 331
Worklenz - Open source agency management tool for streamlined success AGPL-3.0 ⭐ 3.2K

Collaboration & Communication

Baserow - No-code database and app builder you can self-host MIT ⭐ 6.1K
Macro Chat - Team chat with email, tasks, and docs in one workspace AGPL-3.0 ⭐ 4.6K
Affine - Docs, whiteboards, and databases in one privacy-first workspace MIT ⭐ 73K
Busabase - A verified workspace where AI agents store and build knowledge MIT ⭐ 444
Buzz - Team chat, project management, and AI agents in one place Apache-2.0 ⭐ 36K
Campfire - Self-hosted group chat without recurring subscription fees MIT ⭐ 4.8K
Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.9K
Colanode - Self-hosted team workspace with chat, docs, and databases Apache-2.0 ⭐ 5.2K
dDocs - End-to-end encrypted collaborative document editor AGPL-3.0 ⭐ 433
Docs - Create, edit and share documents with real-time collaboration MIT ⭐ 17K
Element - Secure, decentralized messaging for teams and individuals AGPL-3.0 ⭐ 14K
Ethora - Messaging SDK with AI agents for web, iOS, and Android Apache-2.0 ⭐ 549
Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 589
Excalidraw - Collaborative whiteboard with a hand-drawn aesthetic MIT ⭐ 134K
Fluxer - Open source messaging with privacy and community focus AGPL-3.0 ⭐ 11K
Huly - All-in-one workspace for project, chat, and docs EPL-2.0 ⭐ 28K
Jitsi - Private, secure video calls with no account needed Apache-2.0 ⭐ 30K
Mattermost - Secure collaboration platform for mission-critical work ⭐ 39K
Mezon - Create custom spaces to chat, game, and connect globally MIT ⭐ 2K
Nextcloud - Secure cloud collaboration platform for organizations AGPL-3.0 ⭐ 37K
Plane - Project management for teams and AI agents AGPL-3.0 ⭐ 61K
Quiet - Serverless team chat over Tor, no phone number needed GPL-3.0 ⭐ 2.7K
Rocket.Chat - Self-hosted team messaging with voice, video, and AI MIT ⭐ 46K
Stoat - Group chat for friends and communities, without the baggage ⭐ 3.4K
Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.9K
Teable - Flexible database meets intuitive spreadsheet interface AGPL-3.0 ⭐ 22K
Tldraw - Free instant whiteboard with real-time collaboration ⭐ 51K
Twake Chat - Secure open source messaging for professional teams AGPL-3.0 ⭐ 170
UnInbox - Transform team email into efficient collaborative workflows AGPL-3.0 ⭐ 1.8K
Wire - Secure collaboration platform with end-to-end encryption GPL-3.0 ⭐ 2.6K
Workadventure - Virtual office platform for engaging remote collaboration ⭐ 5.8K
Zulip - Organized team chat for distributed teams Apache-2.0 ⭐ 26K

Scheduling & Event Management

Cal.com - Self-host your own scheduling page, no vendor required MIT ⭐ 49K
Chobble Tickets - Event ticketing with no per-ticket platform fees AGPL-3.0 ⭐ 34
Easy!Appointments - Free open-source appointment booking for any business GPL-3.0 ⭐ 4.4K
Hi.Events - Effortlessly manage events and sell tickets online ⭐ 4.1K
Pretix - Sell tickets for events, conferences, and exhibitions ⭐ 2.5K
Rallly - Effortless group scheduling for seamless collaboration AGPL-3.0 ⭐ 5.3K

Document Management & E-Signatures

Documenso - Secure, open-source document signing for everyone AGPL-3.0 ⭐ 15K
Docuseal - Legally binding document signing for individuals and teams AGPL-3.0 ⭐ 19K
OpenSign - Secure, customizable e-signatures for modern businesses AGPL-3.0 ⭐ 7.1K
Paperless-ngx - Effortlessly organize your digital documents GPL-3.0 ⭐ 46K
Papermark - Open-source document sharing with powerful analytics AGPL-3.0 ⭐ 9.2K
Papra - Organize and secure your documents in one central hub AGPL-3.0 ⭐ 5.6K
Seafile - Self-hosted file sync with AI-powered organization ⭐ 15K
Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.9K
Wraft - Scale document creation with automated workflows AGPL-3.0 ⭐ 167

Forms & Surveys

Formbricks - Privacy-first survey and experience management platform AGPL-3.0 ⭐ 13K
Formizee - Create and manage forms with ease Apache-2.0 ⭐ 186
HeyForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 9K
Ikiform - Create stunning forms with AI-powered builder and analytics MIT ⭐ 355
LimeSurvey - Create engaging surveys and gather valuable insights ⭐ 3.8K
OpnForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 3.8K
Palform - Secure, encrypted forms with advanced features AGPL-3.0 ⭐ 48

Compliance & Risk Management

Openlane - Continuous compliance automation for SOC 2, ISO 27001 & more Apache-2.0 ⭐ 324
Probo - Managed compliance for SOC 2, ISO 27001, HIPAA, and more MIT ⭐ 1.4K
Ballerine - AI agents that transform merchant risk decisions at scale ⭐ 2.4K
c15t - Build privacy-compliant cookie banners with full control Apache-2.0 ⭐ 1.9K
Comp AI - Get audit-ready for SOC 2, ISO 27001, HIPAA, and GDPR AGPL-3.0 ⭐ 2K
OpenPolicy - Generate legal policies directly from TypeScript code Apache-2.0 ⭐ 164

Human Resources (HR)

Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 8.3K
Horilla - Comprehensive open-source HR management solution LGPL-2.1 ⭐ 1.5K
Reqcore - Own your hiring data with unlimited seats forever AGPL-3.0

Finance & Accounting

Akaunting - Free online accounting for small businesses and freelancers ⭐ 10K
Autumn - Stripe payments, usage tracking, and paywalls in 3 functions Apache-2.0 ⭐ 2.8K
Bigcapital - Automate financial processes for smarter business decisions AGPL-3.0 ⭐ 3.9K
Crater - AI-powered embedded AR/AP automation for platforms AGPL-3.0 ⭐ 8.4K
ERPNext - Comprehensive business management, tailored for you GPL-3.0 ⭐ 40K
Expensify - Simplify expense management for businesses of all sizes MIT ⭐ 5.1K
ezBookkeeping - Lightweight self-hosted bookkeeping with AI receipt scanning MIT ⭐ 5.7K
Flexprice - Open source metering and billing infrastructure for any pricing model AGPL-3.0 ⭐ 6.9K
Flowglad - Cross-system automation and knowledge base for accounting firms ⭐ 1.7K
Formance - Open source financial infrastructure for modern businesses MIT ⭐ 529
Gumroad - Your all-in-one marketplace for digital creators and products MIT ⭐ 9.8K
Hyperswitch - Open source payment orchestrator for global transactions Apache-2.0 ⭐ 45K
Invoice Ninja - Send invoices, accept payments, manage your business—all free Elastic-2.0 ⭐ 10K
Kimai - Effortless time tracking for teams and projects AGPL-3.0 ⭐ 5.1K
Lago - Transform complex usage data into accurate, real-time billing AGPL-3.0 ⭐ 11K
Meteroid - Flexible billing infrastructure for modern SaaS AGPL-3.0 ⭐ 1.3K
Midday - Streamline your business finances and operations AGPL-3.0 ⭐ 15K
OpenBB - AI-powered analytics workspace built for investment teams AGPL-3.0 ⭐ 74K
OpenMeter - Real-time usage metering and billing for AI companies Apache-2.0 ⭐ 2.4K
Paymenter - Modern open-source billing platform for hosting businesses MIT ⭐ 2.4K
Polar - Modern payment infrastructure for digital products and SaaS Apache-2.0 ⭐ 10K
Spliit - Effortlessly split expenses with friends and roommates MIT ⭐ 3K
Suprascribe - Automatically discover hidden subscriptions from your inbox AGPL-3.0 ⭐ 11
UniBee - Cut billing costs with open-source subscription management AGPL-3.0 ⭐ 233

CRM & Sales

CRM - An agentic CRM that keeps records current automatically MIT ⭐ 11K
Macro CRM - A self-building CRM powered by your email AGPL-3.0 ⭐ 4.6K
Atomic CRM - Open-source CRM toolkit for personalized solutions MIT ⭐ 1.4K
Erxes - Open-source growth platform for customer-centric teams AGPL-3.0 ⭐ 4.1K
EspoCRM - Complete customer relationship management made simple AGPL-3.0 ⭐ 3.5K
Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 8.3K
Frappe CRM - Open-source CRM that puts simplicity and control first AGPL-3.0 ⭐ 3.8K
Krayin - Self-hosted CRM for enhanced business relationships MIT ⭐ 24K
Malak - Streamline investor relations and fundraising management AGPL-3.0 ⭐ 61
Odoo - All-in-one business platform covering ERP, CRM, and more ⭐ 55K
Open Mercato - AI-native CRM/ERP foundation with 80% already built MIT ⭐ 1.8K
Relaticle - Self-hosted CRM with built-in AI chat and agent tools AGPL-3.0 ⭐ 1.8K
Twenty - Build a custom CRM without the proprietary lock-in AGPL-3.0 ⭐ 58K
Warpdrive - Self-hosted CRM for business development teams MIT ⭐ 75

ERP & Operations

ERPNext - Comprehensive business management, tailored for you GPL-3.0 ⭐ 40K
Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 8.3K
Odoo - All-in-one business platform covering ERP, CRM, and more ⭐ 55K
Open Mercato - AI-native CRM/ERP foundation with 80% already built MIT ⭐ 1.8K
Shelf - Track gear, bookings, and inventory without spreadsheets AGPL-3.0 ⭐ 3K

Education

Anki - Spaced repetition flashcards that remember for you ⭐ 32K

Legal

Mike - Open-source legal AI that law firms control and extend AGPL-3.0 ⭐ 4.3K

Bluesky - Social media reimagined for community and connection MIT ⭐ 18K
Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.9K
Lemmy - Build your own federated discussion community AGPL-3.0 ⭐ 15K
Loops - Federated short videos without corporate control AGPL-3.0 ⭐ 457
Mastodon - Decentralized social networking in your control AGPL-3.0 ⭐ 50K
PeerTube - Decentralized video platform for true digital freedom AGPL-3.0 ⭐ 15K
Pixelfed - Ad-free photo sharing with privacy and federation AGPL-3.0 ⭐ 7.1K

Community Building Platforms

Apache Answer - Open-source Q&A platform for knowledge sharing Apache-2.0 ⭐ 16K
Discourse - Cultivate vibrant online communities with ease GPL-2.0 ⭐ 48K
Flarum - Modern forum software for vibrant online communities MIT ⭐ 16K
LearnHouse - Create, sell, and manage online courses with full control AGPL-3.0 ⭐ 2.3K
Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 340

Content & Publishing

Blogging & Personal Sites

Ghost - Publishing platform for blogs, newsletters, and paid memberships MIT ⭐ 56K
Hyvor Blogs - Blogging platform with built-in SEO, themes, and APIs AGPL-3.0 ⭐ 23
Nonograph - Anonymous publishing with no accounts, tracking, or logins Unlicense ⭐ 319
Pagecord - Personal blogging platform that meets you where you write MIT ⭐ 194
Sigle - Web3 writing platform for content creators and crypto enthusiasts MIT ⭐ 489
WordPress - Create, customize, and manage your website with ease ⭐ 21K
Zenblog - Effortless blogging for developers and tech enthusiasts AGPL-3.0 ⭐ 254

Documentation & Knowledge Base

Changes.Page - Effortless changelog creation for open-source projects AGPL-3.0 ⭐ 284
Docmost - Self-hosted wiki with AI, compliance, and real-time editing AGPL-3.0 ⭐ 22K
Firecamp - Unified API development ecosystem for modern teams AGPL-3.0 ⭐ 2.6K
Fumadocs - Build beautiful documentation sites with Next.js MIT ⭐ 13K
Outline - Fast, collaborative wiki for teams who need organized docs BUSL-1.1 ⭐ 41K
Scalar - Open-source API documentation and testing platform MIT ⭐ 16K
Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 340
Typemill - Open-source CMS for text-driven websites MIT ⭐ 618
Vrite - Collaborative content creation for technical teams AGPL-3.0 ⭐ 2K
XWiki - Open-source knowledge management and collaboration platform LGPL-2.1 ⭐ 1.3K
xyd - Transform documentation with developer-focused simplicity MIT ⭐ 114
Zenblog - Effortless blogging for developers and tech enthusiasts AGPL-3.0 ⭐ 254

Content Management Systems (CMS)

Builder - Visual development platform for modern web experiences MIT ⭐ 8.9K
Craft CMS - Flexible CMS for custom digital experiences ⭐ 3.6K
Directus - Open-source data platform for effortless content management ⭐ 38K
Drupal - Build powerful websites with the open-source CMS GPL-2.0 ⭐ 4.3K
Ghost - Publishing platform for blogs, newsletters, and paid memberships MIT ⭐ 56K
KeystoneJS - Flexible, scalable Node.js CMS and app framework MIT ⭐ 10K
Marble CMS - Simple content management for modern sites AGPL-3.0 ⭐ 384
Payload - Headless CMS for developers, built with Node.js MIT ⭐ 45K
ProcessWire - Flexible CMS for developers, powerful for clients ⭐ 1.2K
Statamic - Craft flexible, powerful websites with ease ⭐ 4.9K
Strapi - Headless CMS with REST and GraphQL APIs out of the box MIT ⭐ 73K
TinaCMS - Visual editing for your Git-based content Apache-2.0 ⭐ 14K
Twill CMS - Craft flexible, beautiful digital experiences with ease Apache-2.0 ⭐ 4K
Typemill - Open-source CMS for text-driven websites MIT ⭐ 618
Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.2K
Webiny - Open-source serverless CMS for modern web projects MIT ⭐ 8K
WordPress - Create, customize, and manage your website with ease ⭐ 21K

Community Platforms

Apache Answer - Open-source Q&A platform for knowledge sharing Apache-2.0 ⭐ 16K
Discourse - Cultivate vibrant online communities with ease GPL-2.0 ⭐ 48K
Flarum - Modern forum software for vibrant online communities MIT ⭐ 16K
Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 340
Valour - Community-driven platform built for transparency AGPL-3.0 ⭐ 408

Learning Management Systems (LMS)

ClassroomIO - Build your custom learning academy in minutes AGPL-3.0 ⭐ 1.7K
CourseLit - Create, sell, and manage online courses with ease AGPL-3.0 ⭐ 1.3K
Gumroad - Your all-in-one marketplace for digital creators and products MIT ⭐ 9.8K
LearnHouse - Create, sell, and manage online courses with full control AGPL-3.0 ⭐ 2.3K

Digital Asset Management (DAM)

Ente - Secure, private photo storage and sharing solution AGPL-3.0 ⭐ 29K
imgproxy - On-the-fly image resizing and conversion for your own server Apache-2.0 ⭐ 11K
Immich - Self-hosted photo and video backup for your own server AGPL-3.0 ⭐ 116K
Lychee - Self-hosted photo management with full control MIT ⭐ 4.3K
Openinary - Self-hostable image and video delivery with URL transforms AGPL-3.0 ⭐ 412
Piwigo - Organize thousands of photos with ease GPL-2.0 ⭐ 3.9K
ResourceSpace - Organise, share, and control digital assets at scale BSD-3-Clause ⭐ 80

Publishing

Tolgee - Open-source localization platform for multilingual apps Apache-2.0 ⭐ 4.1K
Changes.Page - Effortless changelog creation for open-source projects AGPL-3.0 ⭐ 284
Languine - Automated localization for modern development teams MIT ⭐ 2K
LibreTranslate - Free offline machine translation API you can host yourself AGPL-3.0 ⭐ 17K
Lingo.dev - Automated translations that scale with your code and commits Apache-2.0 ⭐ 5.4K
ShipShipShip - Open-source changelog & roadmap platform for teams Apache-2.0 ⭐ 301
Weblate - Continuous web-based localization for global reach GPL-3.0 ⭐ 6.1K

Data & Analytics

Web & Product Analytics

OpenPanel - Cookie-free web and product analytics, self-hostable AGPL-3.0 ⭐ 7.1K
Aptabase - Privacy-first analytics for mobile and desktop apps AGPL-3.0 ⭐ 1.8K
Betterlytics - Privacy-first, cookieless analytics without consent banners AGPL-3.0 ⭐ 178
Countly - Comprehensive analytics for data-driven decisions Other ⭐ 5.9K
Databuddy - Privacy-first analytics without cookies or tracking AGPL-3.0 ⭐ 1.2K
Fathom Lite - Privacy-focused analytics without the complexity MIT ⭐ 8K
GrowthBook - Open-source A/B testing and feature flagging platform MIT ⭐ 8.5K
HitKeep - Privacy-first analytics you own completely MIT ⭐ 93
Litlyx - Cookie-less analytics for privacy-focused insights Apache-2.0 ⭐ 1.7K
Lua.sh - Professional link management for modern teams AGPL-3.0 ⭐ 344
Matomo - Empower your digital strategy with actionable insights GPL-3.0 ⭐ 22K
OpenReplay - Self-hosted session replay with complete data control AGPL-3.0 ⭐ 13K
OpenWebAnalytics - Powerful, customizable web analytics for your site GPL-2.0 ⭐ 2.7K
Plausible - Privacy-focused, lightweight web analytics AGPL-3.0 ⭐ 29K
PostHog - Unlock Product Insights with Open-Source Analytics MIT ⭐ 40K
Prisme Analytics - Privacy-friendly web analytics for data-driven decisions AGPL-3.0 ⭐ 135
Rybbit - Understand your audience with privacy-first analytics. AGPL-3.0 ⭐ 13K
Swetrix - Cookieless, privacy-first web analytics without the complexity AGPL-3.0 ⭐ 1.2K
Tianji - Website analytics, uptime monitoring, and server status in one Apache-2.0 ⭐ 3.1K
Trench - Fast, scalable analytics infrastructure MIT ⭐ 1.7K
Umami - Empower your website with privacy-focused analytics MIT ⭐ 39K
Vemetric - Simple, powerful web & product analytics for user insights AGPL-3.0 ⭐ 395

Data Engineering & Integration

Airbyte - Open-source data integration for modern teams Elastic-2.0 ⭐ 22K
CloudQuery - Sync and transform data from any source to any destination MPL-2.0 ⭐ 6.5K
CocoIndex - Ultra-fast data transformation for AI with lineage Apache-2.0 ⭐ 12K
Cube - Unify data models and metrics across your entire stack ⭐ 21K
Elementary Data - Data observability for modern data teams Apache-2.0 ⭐ 2.4K
Impler - Seamless data import for your applications MIT ⭐ 294
Jitsu - Open-source data integration for modern stacks MIT ⭐ 5.1K
Kestra - Declarative workflow orchestration for data, AI, and infra Apache-2.0 ⭐ 29K
Lightdash - Open-source BI for modern data teams MIT ⭐ 6.2K
Logstash - Centralize, transform, and stash your data ⭐ 15K
Mage - Magical data pipeline tool for seamless transformations Apache-2.0 ⭐ 8.8K
Open Wearables - Convert wearable data into actionable health insights with open algorithms MIT ⭐ 2.6K
Orbital - Connect APIs, databases, and streams without glue code ⭐ 360

Business Intelligence & Reporting

Apache Superset - Self-serve data exploration and dashboard builder Apache-2.0 ⭐ 75K
Azimutt - Next-Gen ERD: Design, Explore, Document and Analyze your database. MIT ⭐ 2.2K
Chartbrew - Create stunning data visualizations with ease MIT ⭐ 4.1K
Deepnote - Python, SQL, and AI in a collaborative data notebook Apache-2.0 ⭐ 3K
draw.io - Security-first diagramming with no login required Apache-2.0 ⭐ 8.7K
drawDB - Design database diagrams and generate SQL scripts instantly AGPL-3.0 ⭐ 40K
Evidence - Transform SQL into beautiful data stories MIT ⭐ 7K
Frappe Insights - Powerful open-source business intelligence for data-driven decisions AGPL-3.0 ⭐ 1K
Grafana - Unified observability for metrics, logs, traces, and more AGPL-3.0 ⭐ 77K
Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 12K
Lightdash - Open-source BI for modern data teams MIT ⭐ 6.2K
Mermaid - Text-based diagramming that renders in code and docs MIT ⭐ 91K
Metabase - Unlock data insights with powerful, user-friendly analytics ⭐ 50K
OpenBB - AI-powered analytics workspace built for investment teams AGPL-3.0 ⭐ 74K
Redash - Connect, query, visualize, and share your data BSD-2-Clause ⭐ 29K

Data Warehousing & Processing

Apache Cloudberry - Unlock Data's Potential with Open Source Power Apache-2.0 ⭐ 1.4K
Apache Pinot - Distributed OLAP database for real-time analytics at scale Apache-2.0 ⭐ 6.1K
ClickHouse - Lightning-fast analytics for massive datasets Apache-2.0 ⭐ 50K
Databend - Cloud-native data warehouse for lightning-fast analytics ⭐ 9.5K
Logstash - Centralize, transform, and stash your data ⭐ 15K
Timeplus - Real-time stream processing made simple and affordable Apache-2.0 ⭐ 2.3K
Trench - Fast, scalable analytics infrastructure MIT ⭐ 1.7K

Data Extraction & Web Scraping

Firecrawl - Turn any website into clean, AI-ready data via API AGPL-3.0 ⭐ 190K
Crawl4AI - LLM-ready web crawler built for AI data pipelines Apache-2.0 ⭐ 85K
Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 36K
Maxun - No-code web scraping, crawling, and extraction platform AGPL-3.0 ⭐ 18K
OpenSERP - Self-hosted SERP API for Google, Bing, Yandex, and more MIT ⭐ 1.5K

Developer Tools

Frameworks & Platforms

Baserow - No-code database and app builder you can self-host MIT ⭐ 6.1K
ActivePieces - Automate workflows with no-code integration platform MIT ⭐ 25K
AITable - Visual database for workflow automation across apps AGPL-3.0 ⭐ 16K
Alokai - Build and deploy scalable storefronts with ease MIT ⭐ 11K
AppSmith - Empower your team to build custom internal tools rapidly Apache-2.0 ⭐ 41K
Appwrite - Open-source backend platform for rapid app development BSD-3-Clause ⭐ 58K
Automa - Build AI agents and RPA workflows without writing code ⭐ 22K
Bknd - Feature-rich backend that runs anywhere you need it Apache-2.0 ⭐ 3.8K
Budibase - Build powerful web apps without complex coding ⭐ 28K
Builder - Visual development platform for modern web experiences MIT ⭐ 8.9K
Capgo - OTA updates for Capacitor apps without app store delays AGPL-3.0 ⭐ 210
Chartbrew - Create stunning data visualizations with ease MIT ⭐ 4.1K
CodeZero - Build complex automations without code, deploy anywhere with full control MIT ⭐ 56
Convertigo - Low-code and no-code platform for business apps AGPL-3.0 ⭐ 387
Convex - Build full-stack apps with TypeScript and real-time sync ⭐ 13K
Directus - Open-source data platform for effortless content management ⭐ 38K
Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
Frappe Builder - Visual website builder for effortless web design MIT ⭐ 2.4K
Giselle - Build and deploy AI agents through visual workflows Apache-2.0 ⭐ 557
GoRules - Business rules engine with AI, visual flows, and audit trails MIT ⭐ 2.1K
Grida - Open canvas for designing and building web apps Apache-2.0 ⭐ 2.7K
Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 12K
Hercules - Open-source testing agent for UI, API, security, accessibility & visual QA AGPL-3.0 ⭐ 1.2K
Hexabot - Self-hosted AI agents and workflows across any channel AGPL-3.0 ⭐ 1.1K
HeyForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 9K
Instant - Realtime client-side database for collaborative apps Apache-2.0 ⭐ 11K
KeystoneJS - Flexible, scalable Node.js CMS and app framework MIT ⭐ 10K
Langflow - Visual builder for AI agents and RAG pipelines MIT ⭐ 155K
LyteNyte Grid - Lightning-fast React data grid for enterprise scale ⭐ 1K
Mathesar - Spreadsheet-like interface for PostgreSQL databases GPL-3.0 ⭐ 5.1K
Mockoon - Effortless API mocking for seamless development MIT ⭐ 8.4K
n8n - Visual workflow automation with code flexibility and AI agents ⭐ 207K
NHost - Serverless backend platform for modern app development MIT ⭐ 9.4K
NocoBase - Build custom apps without code, deploy with ease ⭐ 25K
NocoDB - Transform databases into intuitive spreadsheets instantly AGPL-3.0 ⭐ 65K
Nordcraft - Craft AAA web apps that delight your users Apache-2.0 ⭐ 491
Onlook - Visual React editor with real-time code updates Apache-2.0 ⭐ 27K
OpnForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 3.8K
Palform - Secure, encrypted forms with advanced features AGPL-3.0 ⭐ 48
Plasmic - Visual app builder that integrates with your existing codebase MIT ⭐ 7.1K
PocketBase - Open-source backend in a single file MIT ⭐ 61K
ProcessWire - Flexible CMS for developers, powerful for clients ⭐ 1.2K
Proxed AI - Secure AI API management for iOS apps with DeviceCheck AGPL-3.0 ⭐ 8
Refine - Build data-rich React apps with ease and flexibility MIT ⭐ 36K
Reflex - Full-stack Python platform for web apps and internal tools Apache-2.0 ⭐ 29K
Rowy - Build powerful backends without leaving your browser Apache-2.0 ⭐ 6.8K
Silex - Free, open-source visual website builder for designers AGPL-3.0 ⭐ 3K
Structr - Build complete web apps with integrated graph database ⭐ 828
Supabase - Postgres-powered backend platform for production apps Apache-2.0 ⭐ 111K
Teable - Flexible database meets intuitive spreadsheet interface AGPL-3.0 ⭐ 22K
TipTap - Craft rich text experiences with ease MIT ⭐ 39K
ToolJet - Build internal tools rapidly without coding AGPL-3.0 ⭐ 41K
Typebot - Create powerful chatbots without coding ⭐ 11K
Vendure - Flexible e-commerce for modern businesses MIT ⭐ 8.5K
Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.2K
Webiny - Open-source serverless CMS for modern web projects MIT ⭐ 8K
WebStudio - Visual web development with code-level control AGPL-3.0 ⭐ 9K
WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.3K

Code Analysis & Transformation

Opengrep - Open-source code security engine for developers LGPL-2.1 ⭐ 3.2K

Terminals

Alacritty - High-performance terminal with GPU acceleration Apache-2.0 ⭐ 66K
Ghostty - Fast GPU-accelerated terminal with native UI design MIT ⭐ 62K
iTerm 2 - Advanced terminal with modern features for Mac developers GPL-2.0 ⭐ 18K
Kitty - GPU-accelerated terminal built for power users GPL-3.0 ⭐ 35K
Warp - A modern terminal built around AI coding agents AGPL-3.0 ⭐ 65K
WaveTerm - Cross-platform terminal with AI built in Apache-2.0 ⭐ 22K
WezTerm - GPU-accelerated terminal emulator with multiplexing across all platforms MIT ⭐ 29K
Zellij - Organize terminal sessions with built-in layouts, tabs, and panes MIT ⭐ 36K

Build & Deployment

/dev/push - Deploy apps instantly with git push - open source alternative MIT ⭐ 4.8K
Appwrite - Open-source backend platform for rapid app development BSD-3-Clause ⭐ 58K
Bytebase - Secure and streamline database changes with CI/CD automation MIT ⭐ 15K
Capgo - OTA updates for Capacitor apps without app store delays AGPL-3.0 ⭐ 210
Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 63K
Dokku - Self-hosted mini-PaaS for deploying applications easily MIT ⭐ 32K
Dokploy - Effortless deployment and management for any VPS ⭐ 38K
Dyrector - Simplify container deployment across environments Apache-2.0 ⭐ 1.9K
Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
Flagsmith - Feature flags and remote config for rapid deployment BSD-3-Clause ⭐ 6.6K
GitLab - AI-powered DevSecOps for faster, secure software delivery MIT ⭐ 25K
Harness - End-to-end open source software delivery platform Apache-2.0 ⭐ 39K
NHost - Serverless backend platform for modern app development MIT ⭐ 9.4K
Nitric - Cloud-native framework for infrastructure from code Apache-2.0 ⭐ 2K
NocoBase - Build custom apps without code, deploy with ease ⭐ 25K
Rivet - Build stateful backends with in-memory actors Apache-2.0 ⭐ 6.3K
Semaphore - Open source CI/CD platform that's faster and costs less ⭐ 1.6K
Stormkit - Deploy web apps with automated CI/CD and full infrastructure control GPL-3.0 ⭐ 266
Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 832
Windmill - Open-source workflow automation for developers ⭐ 18K
Woodpecker CI - Simple yet powerful CI/CD engine with great extensibility Apache-2.0 ⭐ 8K

Integration Platforms

ACI.dev - Build reliable AI agents with unified tool integration Apache-2.0 ⭐ 4.9K
ActivePieces - Automate workflows with no-code integration platform MIT ⭐ 25K
Automatisch - Open-source integration platform for seamless workflows ⭐ 14K
Hook0 - Open-source webhooks for seamless integrations SSPL-1.0 ⭐ 1.5K
Krakend - Blazing-fast API gateway with linear scalability Apache-2.0 ⭐ 2.7K
Nango - Build product integrations with 500+ APIs in hours Elastic-2.0 ⭐ 13K
Orbital - Connect APIs, databases, and streams without glue code ⭐ 360
WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.3K

API Development & Testing

Apache APISIX - High-performance API gateway with built-in LLM support Apache-2.0 ⭐ 17K
Bruno - Lightweight, fast, and open-source API client for developers MIT ⭐ 47K
Firecamp - Unified API development ecosystem for modern teams AGPL-3.0 ⭐ 2.6K
Fusio - API management platform for developers and AI agents Apache-2.0 ⭐ 2.1K
Gravitee - Unified API, event, and AI agent management platform Apache-2.0 ⭐ 459
Hive - Open-source GraphQL federation platform MIT ⭐ 484
Hoppscotch - Sleek, intuitive API development and testing platform MIT ⭐ 81K
HTTPie - Modern command-line HTTP client for the API era BSD-3-Clause ⭐ 4K
Insomnia - Powerful API development and testing made effortless Apache-2.0 ⭐ 40K
Krakend - Blazing-fast API gateway with linear scalability Apache-2.0 ⭐ 2.7K
Mockoon - Effortless API mocking for seamless development MIT ⭐ 8.4K
Requestly - Intercept, modify, and debug HTTP(S) requests effortlessly AGPL-3.0 ⭐ 6.8K
Tailcall - The modern GraphQL runtime Apache-2.0 ⭐ 1.4K
Tyk - Universal API management for REST, GraphQL, gRPC & async ⭐ 11K
UnKey - Secure, scalable API key management for developers AGPL-3.0 ⭐ 5.5K
Voiden - Build APIs like code with Git-native workspace Apache-2.0 ⭐ 1.8K
WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.3K
Yaak - Fast, secure, offline API client with Git integration MIT ⭐ 19K

Testing & Quality Assurance

Argos - Visual regression testing for seamless UI development MIT ⭐ 636
Hercules - Open-source testing agent for UI, API, security, accessibility & visual QA AGPL-3.0 ⭐ 1.2K
Keploy - Turn production traffic into regression tests, no code changes Apache-2.0 ⭐ 19K

Version Control & Collaboration

Coder - Fast, secure cloud development environments on your infrastructure AGPL-3.0 ⭐ 17K
Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
Forgejo - Self-hosted Git forge that's lightweight and secure ⭐ 5.6K
GitButler - Revolutionize your Git workflow with simultaneous branches FSL-1.1-MIT ⭐ 22K
GitComet - Fast, local-first Git GUI built in Rust AGPL-3.0 ⭐ 907
Gitea - Self-hosted Git service for seamless collaboration MIT ⭐ 58K
GitLab - AI-powered DevSecOps for faster, secure software delivery MIT ⭐ 25K
Gogs - Self-hosted Git service that's lightweight and easy to install MIT ⭐ 48K
Reflex - Full-stack Python platform for web apps and internal tools Apache-2.0 ⭐ 29K
Shelve - Simplify project management for developers Apache-2.0 ⭐ 458

Website Builders

Builder - Visual development platform for modern web experiences MIT ⭐ 8.9K
Frappe Builder - Visual website builder for effortless web design MIT ⭐ 2.4K
Linky - A delightfully rich and dynamic link-in-bio. MIT ⭐ 802
Nordcraft - Craft AAA web apps that delight your users Apache-2.0 ⭐ 491
Silex - Free, open-source visual website builder for designers AGPL-3.0 ⭐ 3K
Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.2K
WebStudio - Visual web development with code-level control AGPL-3.0 ⭐ 9K
WordPress - Create, customize, and manage your website with ease ⭐ 21K
Ycode - Visual website builder and CMS you can self-host MIT ⭐ 319

IDEs & Code Editors

Athas - Lightweight code editor with agents, Git, and terminal built in ⭐ 3.1K
CodeEdit - A native code editor for macOS MIT ⭐ 23K
Neovim - Hyperextensible, Lua-powered Vim-based text editor ⭐ 103K
Zed - High-performance code editor built for speed and AI GPL-3.0 ⭐ 92K

AI Assisted Coding

Aider - AI pair programmer that works inside your terminal Apache-2.0 ⭐ 49K
Cline - Open-source AI coding agent for your editor and terminal Apache-2.0 ⭐ 70K
Continue - Open-source coding agent for your IDE and terminal Apache-2.0 ⭐ 36K
Dray - Run Claude Code, Codex, Grok, and more from one app Apache-2.0 ⭐ 112
Dyad - Build unlimited AI apps locally with zero vendor lock-in Apache-2.0 ⭐ 22K
Emdash - Dashboard for running multiple coding agents in parallel Apache-2.0 ⭐ 6K
Forgecode - Terminal-native AI coding agent built on ZSH Apache-2.0 ⭐ 7.6K
Frontman - AI coding agent that sees your live app and edits code Apache-2.0 ⭐ 714
Goose - General-purpose AI agent for code, workflows, and more Apache-2.0 ⭐ 55K
Grok Build - AI coding agent and CLI for complex terminal workflows Apache-2.0 ⭐ 27K
Jean - Parallel AI agent workspaces with Git and project context Apache-2.0 ⭐ 1.3K
Kilo - AI coding agent for VS Code, JetBrains, CLI, and Cloud MIT ⭐ 28K
Kodus - AI code review that learns your team's standards AGPL-3.0 ⭐ 1.5K
Omnigent - Common layer for composing and governing AI agents Apache-2.0 ⭐ 11K
Open Interpreter - Coding agent that runs on local and open-weight models Apache-2.0 ⭐ 69K
OpenCode - AI coding agent for terminal, IDE, and desktop MIT ⭐ 213K
OpenHands - Autonomous coding agents that complete real engineering tasks MIT ⭐ 91K
Orca - Run multiple AI coding agents in parallel, side by side MIT ⭐ 89K
Paperclip - Org chart, budgets, and governance for AI agent teams MIT ⭐ 100K
Paseo - Run coding agents from your phone, desktop, or terminal Apache-2.0 ⭐ 20K
pi - Minimal terminal coding agent you can fully customize MIT ⭐ 114K
Pullfrog - AI agent workflows built natively into GitHub MIT ⭐ 1.3K
Roomote - Self-hosted AI coding agent that opens real PRs FCL-1.0 ⭐ 286
Superset - Run dozens of AI coding agents in parallel on your machine Elastic-2.0 ⭐ 15K
SWE-agent - AI agents that autonomously fix code and resolve GitHub issues MIT ⭐ 21K
Synara - Code with Claude, Codex, Gemini, and more in one workspace MIT ⭐ 2.1K
T3 Code - AI-powered coding made simple and efficient MIT ⭐ 27K
Tabby - AI-powered code completion for seamless development Apache-2.0 ⭐ 34K
Zero - Terminal coding agent with full model and data control MIT ⭐ 1.7K

Infrastructure & Operations

Backup & Recovery

Plakar - Encrypted, queryable backups for engineers who value time ISC ⭐ 2.1K
Pluton - Self-hosted encrypted backups with 70+ cloud storage options Apache-2.0 ⭐ 847

Databases

Baserow - No-code database and app builder you can self-host MIT ⭐ 6.1K
Activeloop - The tensor database for AI data Apache-2.0 ⭐ 9.2K
AITable - Visual database for workflow automation across apps AGPL-3.0 ⭐ 16K
Apache Cloudberry - Unlock Data's Potential with Open Source Power Apache-2.0 ⭐ 1.4K
Apache Druid - Real-time analytics database for sub-second OLAP queries Apache-2.0 ⭐ 14K
Apache IoTDB - Time-series database built for industrial IoT workloads Apache-2.0 ⭐ 6.4K
Azimutt - Next-Gen ERD: Design, Explore, Document and Analyze your database. MIT ⭐ 2.2K
Beekeeper Studio - Modern and intuitive SQL client for multiple databases ⭐ 24K
Bytebase - Secure and streamline database changes with CI/CD automation MIT ⭐ 15K
Chat2DB - Transform natural language into SQL queries with AI Apache-2.0 ⭐ 28K
Chroma - Open-source vector database for AI search and retrieval Apache-2.0 ⭐ 29K
Conar - AI-powered PostgreSQL management made simple AGPL-3.0 ⭐ 1.5K
CrateDB - Scalable SQL database for real-time analytics Apache-2.0 ⭐ 4.4K
Databend - Cloud-native data warehouse for lightning-fast analytics ⭐ 9.5K
DBeaver - Free database manager for SQL databases and beyond Apache-2.0 ⭐ 52K
Dragonfly - Blazing-fast in-memory data store for modern applications ⭐ 32K
drawDB - Design database diagrams and generate SQL scripts instantly AGPL-3.0 ⭐ 40K
Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
FalkorDB - Graph database built for GraphRAG and multi-tenant AI apps SSPL-1.0 ⭐ 8.7K
GreptimeDB - Unified observability database for metrics, logs, and traces Apache-2.0 ⭐ 6.7K
Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 12K
HelixDB - Unify vector search and graph traversals in one database Apache-2.0 ⭐ 6.2K
InfluxDB - Purpose-built time series database for real-time systems Apache-2.0 ⭐ 32K
Instant - Realtime client-side database for collaborative apps Apache-2.0 ⭐ 11K
Mathesar - Spreadsheet-like interface for PostgreSQL databases GPL-3.0 ⭐ 5.1K
Memgraph - High-performance graph computing for scalable data analysis ⭐ 4.6K
Milvus - High-performance vector database for GenAI applications Apache-2.0 ⭐ 46K
Neon Postgres - Serverless Postgres for modern applications Apache-2.0 ⭐ 23K
NocoDB - Transform databases into intuitive spreadsheets instantly AGPL-3.0 ⭐ 65K
OceanBase - High-performance distributed database for all workloads Apache-2.0 ⭐ 10K
Orama - Full-text & vector search at the edge. ⭐ 11K
Prometheus - Open source metrics collection, storage, and alerting Apache-2.0 ⭐ 66K
Qdrant - Fast, scalable vector database for AI applications Apache-2.0 ⭐ 35K
QuestDB - High-performance time-series database for massive data scale Apache-2.0 ⭐ 17K
SlateDB - Embedded storage engine built on object storage Apache-2.0 ⭐ 3.5K
Tabularis - Desktop SQL client with built-in MCP for AI agent access Apache-2.0 ⭐ 5.2K
TDengine - Time-series database and historian for industrial data AGPL-3.0 ⭐ 25K
TiDB - Scale-out SQL database for real-time analytics Apache-2.0 ⭐ 41K
TimescaleDb - Time-series database built on top of PostgreSQL ⭐ 24K
Turso - SQLite-compatible database for scalable multi-tenant applications MIT ⭐ 17K
VictoriaMetrics - High-performance time series database for metrics and logs Apache-2.0 ⭐ 18K
Weaviate - AI-native vector database for intuitive applications BSD-3-Clause ⭐ 17K

Orchestration & Scheduling

1Panel - Manage Linux servers with ease through a modern web interface GPL-3.0 ⭐ 37K
Bacalhau - Revolutionizing data processing with Compute Over Data Apache-2.0 ⭐ 872
Dagu - YAML-defined workflow orchestration, no database required GPL-3.0 ⭐ 4.3K
Dyrector - Simplify container deployment across environments Apache-2.0 ⭐ 1.9K
Hatchet - Distributed task queue for background jobs and workflows MIT ⭐ 8.1K
Healthchecks - Get alerted when cron jobs and scheduled tasks miss their run BSD-3-Clause ⭐ 10K
Inngest - Effortless event-driven workflows for modern applications SSPL-1.0 ⭐ 5.9K
Kestra - Declarative workflow orchestration for data, AI, and infra Apache-2.0 ⭐ 29K
Mage - Magical data pipeline tool for seamless transformations Apache-2.0 ⭐ 8.8K
Prefect - Python-native workflow orchestration for data and ML teams Apache-2.0 ⭐ 24K
Temporal - Build resilient applications with durable execution workflows MIT ⭐ 24K
Trigger - Run long-running AI tasks without timeouts or servers Apache-2.0 ⭐ 17K

Storage Solutions

Alarik - S3-compatible object storage built with Swift Apache-2.0 ⭐ 563
Ceph - Scalable open-source distributed storage system ⭐ 17K
Filestash - Unified file management for your enterprise storage AGPL-3.0 ⭐ 15K
Firefiles - Bring your own cloud storage, managed in one place AGPL-3.0 ⭐ 371
Garage - Lightweight distributed storage for self-hosting AGPL-3.0 ⭐ 4.7K
Spacedrive - Your personal distributed filesystem Apache-2.0 ⭐ 39K
Storj - Secure, decentralized cloud storage for your data AGPL-3.0 ⭐ 3.3K

Networking & Connectivity

Defguard - Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities ⭐ 2.9K
FireZone - Fast, flexible VPN replacement with zero-trust security Apache-2.0 ⭐ 9.1K
Netbird - Zero Trust networking with WireGuard-based secure connectivity ⭐ 30K
OpenVPN - Zero Trust VPN solutions for secure business networking ⭐ 15K
Pangolin - Zero trust network access that's better than VPN AGPL-3.0 ⭐ 23K
SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 159
Soketi - Next-gen WebSockets server for real-time apps AGPL-3.0 ⭐ 5.6K
Tailscale - Zero-config VPN with WireGuard for secure networking BSD-3-Clause ⭐ 37K
WireGuard - Fast, minimal VPN built on modern cryptography GPL-2.0 ⭐ 727

Messaging & Event Streaming

AutoMQ - S3-based serverless Kafka reinvented for cost efficiency Apache-2.0 ⭐ 11K
Hook0 - Open-source webhooks for seamless integrations SSPL-1.0 ⭐ 1.5K
Operational - Real-time event tracking and response for tech products AGPL-3.0 ⭐ 474
Sequin - Open-source message stream built on Postgres MIT ⭐ 2.2K
Svix - Webhook delivery platform with retries, security, and a portal MIT ⭐ 3.4K
Workbench - Inspect, debug, and replay BullMQ queues visually MIT ⭐ 450

Monitoring & Observability

Apache SkyWalking - Distributed tracing, metrics, logs, and GenAI monitoring in one Apache-2.0 ⭐ 25K
BugPin - Self-hosted visual bug reporting with screenshot annotation AGPL-3.0 ⭐ 44
Bugsink - Self-hosted error tracking for full control and scalability ⭐ 2.1K
Cachet - Professional status page system for transparent downtime communication ⭐ 15K
Checkmate - Beautiful open-source monitoring for modern infrastructure AGPL-3.0 ⭐ 11K
Checkmk - Complete IT infrastructure monitoring made simple GPL-2.0 ⭐ 2.4K
Coroot - Full-stack observability without code changes Apache-2.0 ⭐ 8K
EasyMonitor - Self-hosted uptime monitoring that runs on your hardware, not their servers MIT ⭐ 75
Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
Gatus - Advanced automated status page for real-time monitoring Apache-2.0 ⭐ 12K
Gigapipe - All-in-one observability with unlimited data ingestion AGPL-3.0 ⭐ 1.7K
GlitchTip - Error tracking, performance, and uptime in one place MIT ⭐ 166
Grafana - Unified observability for metrics, logs, traces, and more AGPL-3.0 ⭐ 77K
Grafana Loki - Cost-effective log aggregation that indexes labels, not full text AGPL-3.0 ⭐ 29K
GreptimeDB - Unified observability database for metrics, logs, and traces Apache-2.0 ⭐ 6.7K
Healthchecks - Get alerted when cron jobs and scheduled tasks miss their run BSD-3-Clause ⭐ 10K
Highlight - Real-time observability for modern web applications Apache-2.0 ⭐ 9.4K
HyperDX - Full-stack observability without the enterprise price tag MIT ⭐ 9.9K
Icinga - Open source monitoring for complex IT infrastructure GPL-3.0 ⭐ 2.2K
Keep - Unify, automate, and elevate your monitoring workflow MIT ⭐ 12K
Kener - Deploy a professional status page in minutes, no coding required MIT ⭐ 5.2K
Logfire - Powerful observability made simple for developers MIT ⭐ 4.5K
Logstash - Centralize, transform, and stash your data ⭐ 15K
Maple - OpenTelemetry observability with traces, logs, and metrics ⭐ 1.8K
Nagios - Complete infrastructure monitoring with 25+ years of expertise GPL-2.0 ⭐ 2K
NetData - Real-time monitoring for systems and applications GPL-3.0 ⭐ 81K
OneUptime - Comprehensive monitoring and incident management platform Apache-2.0 ⭐ 7.7K
OpenObserve - Petabyte-scale observability, without the massive bill. AGPL-3.0 ⭐ 22K
OpenReplay - Self-hosted session replay with complete data control AGPL-3.0 ⭐ 13K
OpenStatus - Status page and uptime monitoring for growing teams AGPL-3.0 ⭐ 9.2K
Peekaping - Self-hosted uptime monitoring you own and control MIT ⭐ 1.2K
ProjectDiscovery - Advanced vulnerability detection and management platform MIT ⭐ 32K
Prometheus - Open source metrics collection, storage, and alerting Apache-2.0 ⭐ 66K
Scanopy - Auto-generated network diagrams that stay current AGPL-3.0 ⭐ 5.9K
Sentry - Real-time error tracking and performance monitoring ⭐ 46K
SigNoz - Open-source observability platform for cloud-native apps MIT ⭐ 32K
Statusnook - Monitor, manage, and communicate service status effortlessly MIT ⭐ 987
StatusScout - Complete website health monitoring and security scanning ⭐ 16
Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 832
Tianji - Website analytics, uptime monitoring, and server status in one Apache-2.0 ⭐ 3.1K
Uptime Kuma - Self-hosted uptime monitoring with a clean dashboard MIT ⭐ 92K
Uptimepage - Monitors websites and APIs, pages on-call, and publishes a status page AGPL-3.0 ⭐ 42
Uptrace - Open source observability platform for modern applications AGPL-3.0 ⭐ 4.3K
Vector - Collect, transform, and route logs and metrics in one tool MPL-2.0 ⭐ 23K
VictoriaMetrics - High-performance time series database for metrics and logs Apache-2.0 ⭐ 18K
Wachd - AI-powered root cause analysis for on-call alerts, self-hosted and air-gapped Apache-2.0 ⭐ 42
Zabbix - Enterprise monitoring for networks, apps, and infrastructure AGPL-3.0 ⭐ 6.5K

Search Engines

Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
Manticore Search - Lightning-fast open source search engine for big data GPL-3.0 ⭐ 12K
Meilisearch - Lightning-fast search for your applications MIT ⭐ 60K
OpenSearch - Open-source search and analytics at enterprise scale Apache-2.0 ⭐ 14K
Quickwit - Lightning-fast search for massive datasets Apache-2.0 ⭐ 12K
SearXNG - Privacy-first metasearch across 270+ sources AGPL-3.0 ⭐ 38K
SeekStorm - Full-text search API with real-time indexing and crawling Apache-2.0 ⭐ 1.9K
Typesense - Lightning-fast, typo-tolerant search engine for all GPL-3.0 ⭐ 27K

Cloud Infrastructure Management

Spinifex - AWS-compatible cloud APIs on infrastructure you control AGPL-3.0 ⭐ 355
AutoMQ - S3-based serverless Kafka reinvented for cost efficiency Apache-2.0 ⭐ 11K
Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 63K
Cozystack - Turn bare metal into intelligent cloud infrastructure Apache-2.0 ⭐ 2.3K
Digger - Terraform automation with pull request workflows MIT ⭐ 5K
Flexprice - Open source metering and billing infrastructure for any pricing model AGPL-3.0 ⭐ 6.9K
Nitric - Cloud-native framework for infrastructure from code Apache-2.0 ⭐ 2K
OpenMeter - Real-time usage metering and billing for AI companies Apache-2.0 ⭐ 2.4K
OpenStack - Open source cloud infrastructure trusted at massive scale Apache-2.0 ⭐ 6.1K
OpenTofu - Open source infrastructure as code tool MPL-2.0 ⭐ 30K
Pulumi - Infrastructure as code in your favorite language Apache-2.0 ⭐ 26K
Terrateam - GitOps orchestration for infrastructure as code MPL-2.0 ⭐ 1.3K

Server & VM Management

1Panel - Manage Linux servers with ease through a modern web interface GPL-3.0 ⭐ 37K
aaPanel - Powerful and user-friendly web hosting control panel ⭐ 3.1K
CasaOS - Your personal cloud OS for simple, elegant home servers Apache-2.0 ⭐ 37K
Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 63K
Cosmos Server - Self-hosted cloud platform with automated security ⭐ 6.2K
Dokploy - Effortless deployment and management for any VPS ⭐ 38K
OpenPanel - Simplify server management with an intuitive interface MIT ⭐ 751
Refine - Build data-rich React apps with ease and flexibility MIT ⭐ 36K
Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 832
YunoHost - Self-host your digital life with ease AGPL-3.0 ⭐ 3K

Miscellaneous

Cryptocurrency & Blockchain

0 Finance - Transform idle cash into competitive yield for startups MIT ⭐ 253
Hummingbot - Open-source crypto trading bot for market making Apache-2.0 ⭐ 20K
OctoBot - Automate crypto trading with open-source strategies GPL-3.0 ⭐ 6.7K
Sigle - Web3 writing platform for content creators and crypto enthusiasts MIT ⭐ 489

Gaming

GDevelop - Create 2D and 3D games without coding, powered by AI assistance ⭐ 27K
Godot - Free 2D and 3D game engine for cross-platform projects MIT ⭐ 118K
MonoGame - Free, open-source framework for cross-platform game development ⭐ 15K
s&box - Build and play games inside a game engine that runs live MIT ⭐ 6.5K

Internet of Things (IoT)

CrateDB - Scalable SQL database for real-time analytics Apache-2.0 ⭐ 4.4K
Gladys Assistant - Self-hosted home automation without the cloud Apache-2.0 ⭐ 3.2K
Home Assistant - Local control smart home automation with privacy first Apache-2.0 ⭐ 91K

Finance & Fintech

alphai-tui - Live stock quotes, charts, and AI-scored news in your terminal MIT ⭐ 72
0 Finance - Transform idle cash into competitive yield for startups MIT ⭐ 253
Ballerine - AI agents that transform merchant risk decisions at scale ⭐ 2.4K
Crater - AI-powered embedded AR/AP automation for platforms AGPL-3.0 ⭐ 8.4K
Fincept Terminal - Open-source financial terminal for data-driven insights AGPL-3.0 ⭐ 32K
Formance - Open source financial infrastructure for modern businesses MIT ⭐ 529
Hummingbot - Open-source crypto trading bot for market making Apache-2.0 ⭐ 20K
Hyperswitch - Open source payment orchestrator for global transactions Apache-2.0 ⭐ 45K
OpenBB - AI-powered analytics workspace built for investment teams AGPL-3.0 ⭐ 74K

Logistics & Supply Chain

FleetBase - Open source modular logistics platform for faster app development AGPL-3.0 ⭐ 4.3K

Design & Prototyping

draw.io - Security-first diagramming with no login required Apache-2.0 ⭐ 8.7K
Graphite - Procedural vector editor that runs in your browser, no signup needed Apache-2.0 ⭐ 28K
Grida - Open canvas for designing and building web apps Apache-2.0 ⭐ 2.7K
Inkscape - Professional vector graphics editor for all skill levels Other ⭐ 4K
OpenPencil - Design editor that opens Figma files, runs AI, and stays local MIT ⭐ 8.9K
Penpot - Open-source UI design and prototyping for product teams MPL-2.0 ⭐ 61K
Plasmic - Visual app builder that integrates with your existing codebase MIT ⭐ 7.1K
Quant-UX - Design, prototype, and test user experiences with ease GPL-3.0 ⭐ 2.7K

Media & Streaming

Anthias - Transform any TV into professional digital signage ⭐ 3.7K
BookWyrm - Decentralized social network for book lovers and readers ⭐ 2.8K
Invidious - Watch YouTube without Google tracking you or showing ads AGPL-3.0 ⭐ 25K
Jellyfin - Self-hosted media server for movies, music, and more GPL-2.0 ⭐ 58K
Kodi - Full-featured media center for your TV and beyond ⭐ 21K
Lychee - Self-hosted photo management with full control MIT ⭐ 4.3K
Navidrome - Self-hosted music streaming for your personal collection GPL-3.0 ⭐ 24K
Nightingale - Transform any song into karaoke with AI-powered vocals GPL-3.0 ⭐ 1.5K
Nuclear - Ad-free music player that streams from multiple sources AGPL-3.0 ⭐ 19K
PeerTube - Decentralized video platform for true digital freedom AGPL-3.0 ⭐ 15K
Piwigo - Organize thousands of photos with ease GPL-2.0 ⭐ 3.9K

Photo & Video Editors

Audacity - Professional audio editing made simple and free ⭐ 19K
Compositor - Free, open-source image editor built for Mac compositing MIT ⭐ 15K
Darktable - Professional RAW photo editing and workflow management GPL-3.0 ⭐ 13K
GIMP - Professional image editing without the price tag ⭐ 6.5K
Kdenlive - Professional video editing without the price tag GPL-3.0 ⭐ 5.8K
Krita - Professional digital painting made accessible to everyone GPL-3.0 ⭐ 11K
LosslessCut - Cut and trim video without re-encoding or quality loss GPL-2.0 ⭐ 44K
OpenCut - Open source video editor that runs in your browser MIT ⭐ 93K
OpenShot - Free, cross-platform video editor that's easy to learn GPL-3.0 ⭐ 6.6K
RAWmakase - Lightroom-compatible RAW editor, no subscription MIT ⭐ 902
RawTherapee - Professional raw photo processing made free and powerful GPL-3.0 ⭐ 4.2K
Shotcut - A free, open source, cross-platform video editor GPL-3.0 ⭐ 15K

Productivity & Utilities

Note Taking & Knowledge Management

Macro Docs - Markdown docs wired into tasks, email, and agents AGPL-3.0 ⭐ 4.6K
Affine - Docs, whiteboards, and databases in one privacy-first workspace MIT ⭐ 73K
Anarlog - Private meeting notes, no bots, files you own MIT ⭐ 9.5K
AnyType - Private workspace for notes, tasks, and databases ⭐ 8.9K
AppFlowy - AI workspace for docs, projects, and wikis you control AGPL-3.0 ⭐ 77K
Beaver Notes - Local-first notes app with no cloud, no AI, no tracking MIT ⭐ 1.3K
Blinko - AI-Powered Note Taking App GPL-3.0 ⭐ 11K
Darkwrite - Distraction-free note-taking with powerful features AGPL-3.0 ⭐ 317
Deta Surf - Browser and notebook combined with local-first AI Apache-2.0 ⭐ 3.6K
Docmost - Self-hosted wiki with AI, compliance, and real-time editing AGPL-3.0 ⭐ 22K
itsnotes - Self-hosted sticky notes with better organization MIT ⭐ 35
Joplin - Encrypted note-taking that syncs across all your devices ⭐ 57K
Justnote - Privacy-focused note-taking made simple and fast GPL-2.0 ⭐ 68
KeePassXC - Cross-platform, secure password manager GPL-3.0 ⭐ 29K
Khoj - AI second brain for research, automation, and personal agents AGPL-3.0 ⭐ 38K
Logseq - Privacy-first knowledge base that connects your notes AGPL-3.0 ⭐ 45K
Memos - Self-hosted timeline for quick notes, logs, and snippets MIT ⭐ 64K
Notesnook - Zero-knowledge encrypted notes that sync across all devices GPL-3.0 ⭐ 15K
Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 40K
OpenNotas - Fast, secure, and free personal note-taking app ⭐ 179
Outline - Fast, collaborative wiki for teams who need organized docs BUSL-1.1 ⭐ 41K
Silverbullet - Programmable notes with queries, Lua scripting, and wiki links MIT ⭐ 6.3K
SiYuan - Privacy-first knowledge management with block-level linking AGPL-3.0 ⭐ 47K
Standard Notes - Secure, encrypted notes for your digital life AGPL-3.0 ⭐ 6.6K
SurfSense - Privacy-first knowledge base with any AI model you choose Apache-2.0 ⭐ 16K
Tolaria - Local-first, Git-native personal knowledge base with AI AGPL-3.0 ⭐ 20K
Vrite - Collaborative content creation for technical teams AGPL-3.0 ⭐ 2K
XWiki - Open-source knowledge management and collaboration platform LGPL-2.1 ⭐ 1.3K
Zen - Clean, distraction-free note-taking with local storage AGPL-3.0 ⭐ 1.2K
Zotero - Collect, organize, cite, and share research in one place ⭐ 16K

Password & Secret Management

2FAS - Local-first 2FA authenticator and password manager GPL-3.0 ⭐ 1.5K
Aegis Authenticator - 2FA token manager for Android with encrypted vault GPL-3.0 ⭐ 13K
Bitwarden - Secure password management for individuals and businesses AGPL-3.0 ⭐ 20K
KeePassXC - Cross-platform, secure password manager GPL-3.0 ⭐ 29K
Padloc - Secure password manager with end-to-end encryption AGPL-3.0 ⭐ 2.9K
Passbolt - Secure password management for teams AGPL-3.0 ⭐ 6.2K
PearPass - Complete password control, zero cloud dependency Apache-2.0 ⭐ 540
Vaultwarden - Self-hosted Bitwarden server that runs lean on your hardware AGPL-3.0 ⭐ 69K

Screen Capture & Recording

Cap - Screen recorder with instant sharing and a built-in editor AGPL-3.0 ⭐ 23K
Kap - Effortless screen recording for macOS MIT ⭐ 19K
OBS Studio - Free, open-source software for video recording and live streaming GPL-2.0 ⭐ 77K
Screenity - Free, private screen recording for Chrome GPL-3.0 ⭐ 19K
ShareX - Powerful screen capture and file sharing tool for Windows GPL-3.0 ⭐ 40K
Snapify - Self-hosted screen recording for seamless collaboration AGPL-3.0 ⭐ 1K

File Management & Sync

Cozy - Your secure French personal cloud for complete data control AGPL-3.0 ⭐ 1.3K
Firefiles - Bring your own cloud storage, managed in one place AGPL-3.0 ⭐ 371
Hoodik - Secure self-hosted cloud storage with end-to-end encryption ⭐ 1.5K
LocalSend - Share files securely across all devices without servers Apache-2.0 ⭐ 94K
Nextcloud - Secure cloud collaboration platform for organizations AGPL-3.0 ⭐ 37K
OpenCloud - Self-hosted file sharing built for digital sovereignty Apache-2.0 ⭐ 6.1K
ownCloud - Enterprise file sync, share, and collaboration platform Apache-2.0 ⭐ 2.2K
PairDrop - Instant file sharing across devices without setup GPL-3.0 ⭐ 12K
Peergos - Secure, private, and decentralized file storage AGPL-3.0 ⭐ 2.5K
Puter - A full desktop environment that runs in your browser AGPL-3.0 ⭐ 44K
Seafile - Self-hosted file sync with AI-powered organization ⭐ 15K
Spacedrive - Your personal distributed filesystem Apache-2.0 ⭐ 39K
Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.9K
Twake Drive - Secure open source file storage with end-to-end encryption AGPL-3.0 ⭐ 988

Email & Communication

Macro Mail - Keyboard-first email client with AI, chat, and tasks AGPL-3.0 ⭐ 4.6K
Novu - Multi-channel notification infrastructure for apps ⭐ 40K
AgentMail - Email inbox API built for AI agents and workflows MIT ⭐ 41
Billion Mail - Open-source mail server with unlimited sending & AI tools AGPL-3.0 ⭐ 16K
DoubleZero - Self-hosted email infrastructure for developers AGPL-3.0 ⭐ 1.2K
Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.6K
Hyvor Relay - Open-source email API with enterprise deliverability AGPL-3.0 ⭐ 917
Inbox Zero - AI email assistant that automates, organizes, and declutters AGPL-3.0 ⭐ 12K
Keila - Open-source email marketing for the privacy-conscious AGPL-3.0 ⭐ 2.2K
Ntfy - Simple, fast, and secure push notifications for all Apache-2.0 ⭐ 35K
Plunk - The open-source, affordable email platform AGPL-3.0 ⭐ 5.5K
Sendportal - Self-hosted email marketing with unlimited everything MIT ⭐ 2.2K
Sessy - Own your SES email analytics, from send to inbox ⭐ 937
Tuta - Secure email, calendar and contacts with end-to-end encryption GPL-3.0 ⭐ 8K
Twake Mail - Secure open source email with advanced encryption & AI AGPL-3.0 ⭐ 657
UnInbox - Transform team email into efficient collaborative workflows AGPL-3.0 ⭐ 1.8K
useSend - Pay per email sent, not for contact storage AGPL-3.0 ⭐ 4.7K

Time & Task Management

ActivityWatch - Track time automatically with privacy-first design MPL-2.0 ⭐ 19K
Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 589
Freeter - Your personal workspace organizer for maximum productivity GPL-3.0 ⭐ 1K
Hackatime - Track coding time across 70+ editors, completely free MIT ⭐ 214
Kimai - Effortless time tracking for teams and projects AGPL-3.0 ⭐ 5.1K
Sol - Fast and beautiful launcher for quick access to apps and tools MIT ⭐ 3.2K
SolidTime - Effortless time tracking for open source projects AGPL-3.0 ⭐ 9K
Super Productivity - Task manager with time tracking, focus mode, and deep work tools MIT ⭐ 23K
TimeScribe - Transform your time tracking into actionable insights GPL-3.0 ⭐ 914
Ueli - Quick access to apps and files with keyboard shortcuts MIT ⭐ 4.6K
Wakapi - Track coding time effortlessly, gain insights instantly MIT ⭐ 4.4K
Ziit - Track coding time and boost developer productivity AGPL-3.0 ⭐ 255

Personal Finance Management

Actual - Local-first envelope budgeting with full data ownership MIT ⭐ 29K
ezBookkeeping - Lightweight self-hosted bookkeeping with AI receipt scanning MIT ⭐ 5.7K
Financial Freedom - Open-source personal finance management tool GPL-3.0 ⭐ 2.9K
Fincept Terminal - Open-source financial terminal for data-driven insights AGPL-3.0 ⭐ 32K
Firefly III - Self-hosted personal finance manager with double-entry bookkeeping AGPL-3.0 ⭐ 25K
Ghostfolio - Track, analyze, and optimize your investments effortlessly AGPL-3.0 ⭐ 9.4K
Monetr - Take control of your finances, paycheck by paycheck FSL-1.1-MIT ⭐ 690
Splitpro - Effortlessly split expenses with friends and groups MIT ⭐ 1.5K
Sure.am - The personal finance app for everyone AGPL-3.0 ⭐ 10K
Wealthfolio - Secure desktop investment tracker for private wealth management AGPL-3.0 ⭐ 9.2K
YAFFA - Free, self-hosted personal finance app for long-term planning MIT ⭐ 110

Design & Visualization

Affine - Docs, whiteboards, and databases in one privacy-first workspace MIT ⭐ 73K
Chalk.ist - Transform your source code into stunning visuals MIT ⭐ 1.8K
Excalidraw - Collaborative whiteboard with a hand-drawn aesthetic MIT ⭐ 134K
Graphite - Procedural vector editor that runs in your browser, no signup needed Apache-2.0 ⭐ 28K
Penpot - Open-source UI design and prototyping for product teams MPL-2.0 ⭐ 61K
Ray.so - Create beautiful images of your code MIT ⭐ 2.4K
Tldraw - Free instant whiteboard with real-time collaboration ⭐ 51K

Bookmark & Content Management

Bookmark It - Organize, discover, and personalize your bookmarks AGPL-3.0 ⭐ 324
Brace.to - Securely save and access your favorite links across devices MIT ⭐ 107
Capd - Capture web pages, text, and images. Find them fast. MIT ⭐ 80
Cloudmark - Organize and access your bookmarks seamlessly in the cloud AGPL-3.0 ⭐ 77
Faved - Handcrafted minimal bookmark manager with advanced tagging system MIT ⭐ 1.3K
Karakeep - Save links, notes, and images. AI tags them for you. AGPL-3.0 ⭐ 30K
Linkding - Self-hosted bookmark manager built for speed and simplicity MIT ⭐ 11K
Linkwarden - Collaborative bookmark manager for teams and individuals AGPL-3.0 ⭐ 20K
Readeck - Save, organize and revisit web content effortlessly ⭐ 1.1K
Ryot - Track your life, your way GPL-3.0 ⭐ 3.6K
SeriesGuide - Track your TV shows and movies on Android ⭐ 2.2K
Showly - Track TV shows and movies, synced with Trakt.tv GPL-3.0 ⭐ 1.5K
Tonkatsu Box - Track games, movies, anime, manga, and books in one place MIT ⭐ 584
Wallabag - Save articles for later reading with complete privacy MIT ⭐ 13K

CoMaps - Navigate anywhere offline with complete privacy Apache-2.0 ⭐ 2.2K
Organic Maps - Privacy-first offline maps for hiking, cycling & navigation Apache-2.0 ⭐ 16K
OSMAnd - Navigate anywhere with detailed offline maps and GPS ⭐ 6.1K
Paralino - End-to-end encrypted location sharing for groups AGPL-3.0 ⭐ 71

Input & Dictation

VoiceInk - Local voice dictation with AI enhancement for macOS GPL-3.0 ⭐ 6.7K
Amical - Type 10x faster with AI-powered voice dictation MIT ⭐ 1.6K
Espanso - Type shortcuts, expand to full text instantly GPL-3.0 ⭐ 15K
FluidVoice - On-device voice dictation for macOS with adaptive AI GPL-3.0 ⭐ 12K
Handy - Press a key, speak, release. Text appears instantly. MIT ⭐ 33K
Jarvis - Dictate faster and control your Mac with voice MIT ⭐ 647
OpenWispr - Voice-to-text that works offline, privately, on any app MIT ⭐ 9.2K
Typerelay - Turn short shortcuts into your everyday words AGPL-3.0 ⭐ 50
VoiceTypr - Offline voice dictation that types into any app AGPL-3.0 ⭐ 730

Office Suites

Collabora Online - Open-source document editing suite for secure collaboration ⭐ 3.4K
CryptPad - Secure collaboration with end-to-end encryption AGPL-3.0 ⭐ 8K
IronCalc - A spreadsheet engine you can embed, self-host, or run in the browser Apache-2.0 ⭐ 4.2K
LibreOffice - Free office suite with Microsoft compatibility GPL-3.0 ⭐ 4.5K
ONLYOFFICE Docs - Complete office suite for documents, spreadsheets & more AGPL-3.0 ⭐ 7K

Browsers & Extensions

Brave - Fast, private browser that puts you first MPL-2.0 ⭐ 24K
Browser Operator - Open-source AI browser for intelligent web automation BSD-3-Clause ⭐ 511
Cloudmark - Organize and access your bookmarks seamlessly in the cloud AGPL-3.0 ⭐ 77
Deta Surf - Browser and notebook combined with local-first AI Apache-2.0 ⭐ 3.6K
ego lite - Chromium browser built for sharing with AI agents MIT ⭐ 17K
Flow - Fast, secure browsing with powerful organization features GPL-3.0 ⭐ 1.1K
Harper - Fast grammar checking that respects your privacy Apache-2.0 ⭐ 16K
Helium - Privacy-first browser with ad-blocking and no bloat GPL-3.0 ⭐ 21K
Ladybird - An independent browser engine built from scratch, not a fork BSD-2-Clause ⭐ 66K
LanguageTool - AI-powered grammar checker for 30+ languages LGPL-2.1 ⭐ 15K
LibreWolf - Firefox fork hardened for privacy, security, and freedom ⭐ 1.3K
Linguist - Privacy-focused translation with offline capabilities BSD-3-Clause ⭐ 1.1K
Midori Browser - Fast, secure, and privacy-focused web browsing MPL-2.0 ⭐ 408
Requestly - Intercept, modify, and debug HTTP(S) requests effortlessly AGPL-3.0 ⭐ 6.8K
Screenity - Free, private screen recording for Chrome GPL-3.0 ⭐ 19K
Waterfox - Privacy-first browser built for power users ⭐ 6.4K
Zen - System-wide ad-blocking and privacy protection, no extensions needed MIT ⭐ 4.3K
Zen Browser - Privacy-focused browser with powerful customization MPL-2.0 ⭐ 45K

Automation

Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
ActivePieces - Automate workflows with no-code integration platform MIT ⭐ 25K
Automa - Build AI agents and RPA workflows without writing code ⭐ 22K
Automatisch - Open-source integration platform for seamless workflows ⭐ 14K
Botpress - Build powerful AI agents with cutting-edge LLM technology MIT ⭐ 15K
ByteChef - Build AI agents and automate complex workflows seamlessly Apache-2.0 ⭐ 1K
ChatbotX - Self-hostable omnichannel chatbot platform for agencies MIT ⭐ 887
CodeZero - Build complex automations without code, deploy anywhere with full control MIT ⭐ 56
Dograh - Self-hostable voice agent platform with full model control BSD-2-Clause ⭐ 5.8K
Ethora - Messaging SDK with AI agents for web, iOS, and Android Apache-2.0 ⭐ 549
Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 36K
LiveKit - Full-stack platform for voice, video, and physical AI agents Apache-2.0 ⭐ 21K
MDMA - Markdown that mounts real applications MIT ⭐ 69
n8n - Visual workflow automation with code flexibility and AI agents ⭐ 207K
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
Typebot - Create powerful chatbots without coding ⭐ 11K
Windmill - Open-source workflow automation for developers ⭐ 18K

Remote Desktop & Access

RustDesk - Self-hosted remote desktop you fully control AGPL-3.0 ⭐ 125K

System Cleanup & Optimization

BleachBit - Clean your system and free disk space GPL-3.0 ⭐ 7.1K
Mole - Mac cleaner, app manager, and system monitor in one GPL-3.0 ⭐ 70K
Pearcleaner - Remove Mac apps and all their leftover files ⭐ 15K

Security & Privacy

Identity & Access Management (IAM)

Hanko - Passkeys, SSO, and MFA without vendor lock-in ⭐ 9K
Authentik - Take control of your identity with a secure, flexible solution MIT ⭐ 26K
Authgear - Managed identity and access management for any app Apache-2.0 ⭐ 2.1K
Better Auth - Framework-agnostic authentication for TypeScript applications MIT ⭐ 30K
Cerbos - Secure, policy-based access control for modern applications Apache-2.0 ⭐ 4.6K
Defguard - Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities ⭐ 2.9K
Hexclave - Modular auth, payments, emails, and analytics for your product ⭐ 6.9K
JumpServer - Secure access management for modern IT infrastructure GPL-3.0 ⭐ 32K
Keycloak - Secure authentication and access control made simple Apache-2.0 ⭐ 37K
Logto - Secure, seamless authentication for modern applications MPL-2.0 ⭐ 15K
Ory - A certified and battle-tested identity solution Apache-2.0 ⭐ 14K
Permify - Build scalable authorization in minutes, not months AGPL-3.0 ⭐ 6K
Pocket ID - Passwordless OIDC provider built for self-hosters BSD-2-Clause ⭐ 9.5K
SuperTokens - Secure, customizable authentication for your applications ⭐ 15K
Zitadel - Secure, customizable identity infrastructure for developers AGPL-3.0 ⭐ 15K

Secrets Management

HashiCorp Vault - Secure storage and access control for secrets and sensitive data ⭐ 36K
Infisical - Secure secret management for modern development teams MIT ⭐ 30K
Keyshade - Secure secret management with public key encryption MPL-2.0 ⭐ 770
Phase - Secure, deploy, and manage application secrets effortlessly MIT ⭐ 929
UnKey - Secure, scalable API key management for developers AGPL-3.0 ⭐ 5.5K

Threat Detection & Response

Opengrep - Open-source code security engine for developers LGPL-2.1 ⭐ 3.2K
ProjectDiscovery - Advanced vulnerability detection and management platform MIT ⭐ 32K
Tirreno - Security framework that protects from within your product AGPL-3.0 ⭐ 1.5K
Tracecat - Open source security automation platform for builders AGPL-3.0 ⭐ 3.8K

Data Security & Privacy

Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.9K
Element - Secure, decentralized messaging for teams and individuals AGPL-3.0 ⭐ 14K
Ente - Secure, private photo storage and sharing solution AGPL-3.0 ⭐ 29K
Fluxer - Open source messaging with privacy and community focus AGPL-3.0 ⭐ 11K
Mattermost - Secure collaboration platform for mission-critical work ⭐ 39K
Peergos - Secure, private, and decentralized file storage AGPL-3.0 ⭐ 2.5K
Puter - A full desktop environment that runs in your browser AGPL-3.0 ⭐ 44K
Quiet - Serverless team chat over Tor, no phone number needed GPL-3.0 ⭐ 2.7K
SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 159
Signal - Private messaging with end-to-end encryption AGPL-3.0 ⭐ 29K
Stoat - Group chat for friends and communities, without the baggage ⭐ 3.4K
Tuta - Secure email, calendar and contacts with end-to-end encryption GPL-3.0 ⭐ 8K
Wire - Secure collaboration platform with end-to-end encryption GPL-3.0 ⭐ 2.6K

Application Security

Abby - Type-safe feature flags and remote config for developers AGPL-3.0 ⭐ 166
ALTCHA - Next-Gen CAPTCHA and Spam Protection, GDPR compliant MIT ⭐ 2.8K
Cap - Privacy-first CAPTCHA alternative with proof-of-work Apache-2.0 ⭐ 8K
FeatBit - Open-source feature flag management for seamless deployments MIT ⭐ 1.9K
Featurevisor - Feature management with GitOps for developers MIT ⭐ 812
Flagsmith - Feature flags and remote config for rapid deployment BSD-3-Clause ⭐ 6.6K
Flipt - Git-native feature management for developers GPL-3.0 ⭐ 4.9K
Friendly Captcha - Invisible bot protection that respects user privacy MPL-2.0 ⭐ 37
GrowthBook - Open-source A/B testing and feature flagging platform MIT ⭐ 8.5K
mCaptcha - Privacy-first proof-of-work CAPTCHA without user friction AGPL-3.0 ⭐ 2.5K
OneHuman - Access control for AI agents your customers log in with BUSL-1.1 ⭐ 19
Private Captcha - GDPR-compliant bot protection without user friction ⭐ 197
Procaptcha - Decentralized CAPTCHA for enhanced web security Apache-2.0 ⭐ 302
Unleash - Feature flags for rapid, risk-free software deployment AGPL-3.0 ⭐ 14K

Network Security

Werbot - Secure, scalable server access management for DevOps BUSL-1.1 ⭐ 169

Fraud Prevention

Marble - Real-time fraud detection and AML compliance engine Elastic-2.0 ⭐ 614
Tirreno - Security framework that protects from within your product AGPL-3.0 ⭐ 1.5K

Contributing

Want to add a project? Submit it on OpenAlternative and it will automatically appear here once approved.

Footnotes

Total Projects: 824
Categories: 85
Total Stars: 15M
Last Updated: October 11, 2026

alternatives

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curated-list

foss

free-software

openalternative

open-source

open-source-alternatives

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Significant stargazers

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163 followers · starred Jul 2025

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6,147 followers · starred Apr 2024

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217 followers · starred Mar 2024

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512 followers · starred Feb 2026

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Awesome Open Source Alternatives

An awesome list of open source alternatives to proprietary software, maintained by OpenAlternative.

AI & Machine Learning

AI Development Platforms

Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
ACI.dev - Build reliable AI agents with unified tool integration Apache-2.0 ⭐ 4.9K
Agent Zero - Agentic AI framework that runs, learns, and self-corrects MIT ⭐ 19K
AgentOS - TypeScript framework for building autonomous AI agents Apache-2.0 ⭐ 677
Agno - Model-agnostic platform for building intelligent AI agents Apache-2.0 ⭐ 43K
AutoGPT - Build and run AI agents that handle recurring work for you Other ⭐ 188K
Beam - Serverless GPU compute with sub-second cold starts AGPL-3.0 ⭐ 1.8K
Bifrost - Ultra-fast AI gateway with enterprise-grade reliability Apache-2.0 ⭐ 8.7K
Botpress - Build powerful AI agents with cutting-edge LLM technology MIT ⭐ 15K
ByteChef - Build AI agents and automate complex workflows seamlessly Apache-2.0 ⭐ 1K
CodeZero - Build complex automations without code, deploy anywhere with full control MIT ⭐ 56
CopilotKit - Build AI copilots for your product in hours, not months MIT ⭐ 38K
Dify - Build and deploy AI agents and RAG pipelines visually ⭐ 158K
Dograh - Self-hostable voice agent platform with full model control BSD-2-Clause ⭐ 5.8K
E2B - Secure cloud environments for enterprise AI agents Apache-2.0 ⭐ 14K
Envoy AI Gateway - Route GenAI traffic with confidence using open source Apache-2.0 ⭐ 2.2K
Giselle - Build and deploy AI agents through visual workflows Apache-2.0 ⭐ 557
Goose - General-purpose AI agent for code, workflows, and more Apache-2.0 ⭐ 55K
Hermes Agent - Desktop AI agent with persistent memory across platforms MIT ⭐ 253K
Hexabot - Self-hosted AI agents and workflows across any channel AGPL-3.0 ⭐ 1.1K
IronClaw - AI agent runtime with encrypted enclaves for your secrets Apache-2.0 ⭐ 13K
Kortix - AI workforce platform where agents, skills, and memory live in your repo Elastic-2.0 ⭐ 20K
Langflow - Visual builder for AI agents and RAG pipelines MIT ⭐ 155K
Letta - Stateful AI agents that remember, learn, and improve over time Apache-2.0 ⭐ 3.6K
LibreChat - One interface for all your AI models and conversations MIT ⭐ 45K
LiteLLM - LLM gateway for auth, load balancing, and spend tracking ⭐ 61K
LiveKit - Full-stack platform for voice, video, and physical AI agents Apache-2.0 ⭐ 21K
LLM Gateway - Unified API for all LLM providers with analytics MIT ⭐ 1.7K
LobeChat - Manage, build, and run AI agent teams around the clock ⭐ 83K
Mem0 - Persistent memory layer for AI agents and apps Apache-2.0 ⭐ 67K
Multica - Project management for teams mixing humans and AI agents ⭐ 52K
Nango - Build product integrations with 500+ APIs in hours Elastic-2.0 ⭐ 13K
nanobot - Self-hosted AI agent for chat, automation, and workflows MIT ⭐ 49K
NemoClaw - Open blueprints for governed, always-on AI agents Apache-2.0 ⭐ 23K
Omnara - One API to deploy and run agents on any model or machine Apache-2.0 ⭐ 2.9K
OpenComputer - Persistent cloud VMs that hibernate and wake in seconds Apache-2.0 ⭐ 562
OpenWork - Multi-model AI workspace with org-wide skill sharing MIT ⭐ 24K
Paperclip - Org chart, budgets, and governance for AI agent teams MIT ⭐ 100K
Portkey AI Gateway - Complete production stack for AI teams MIT ⭐ 13K
Rivet - Build stateful backends with in-memory actors Apache-2.0 ⭐ 6.3K
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
ZeroClaw - Self-hosted AI agent with 70+ providers and 30+ channels Apache-2.0 ⭐ 33K

AI Security & Privacy

Proxed AI - Secure AI API management for iOS apps with DeviceCheck AGPL-3.0 ⭐ 8
VerifyWise - AI governance made simple, secure, and compliant AGPL-3.0 ⭐ 360

Machine Learning Infrastructure

Agenta - Build, automate, and improve AI agents with your team MIT ⭐ 4.8K
Arize Phoenix - Open-source LLM tracing & evaluation for AI optimization Elastic-2.0 ⭐ 12K
Beam - Serverless GPU compute with sub-second cold starts AGPL-3.0 ⭐ 1.8K
Deepnote - Python, SQL, and AI in a collaborative data notebook Apache-2.0 ⭐ 3K
dstack - GPU orchestration across clouds, Kubernetes, and on-prem MPL-2.0 ⭐ 2.3K
GPT4All - Run open-source AI models privately on your own device MIT ⭐ 77K
Grepture - Trace, evaluate, and protect every LLM call in one SDK AGPL-3.0 ⭐ 10
Helicone - Build reliable AI apps with comprehensive observability Apache-2.0 ⭐ 6.2K
Jan - Run AI models locally or connect to cloud, privately Apache-2.0 ⭐ 45K
Laminar - AI-powered platform for engineering LLM products Apache-2.0 ⭐ 3.4K
Langfuse - Open source LLM engineering platform for AI-powered applications MIT ⭐ 36K
LangWatch - Simulation-based testing and evaluation for AI agents Apache-2.0 ⭐ 4.9K
Latitude - Full observability for AI agents in production MIT ⭐ 4.7K
llama.cpp - Run LLMs locally with minimal setup, maximum hardware support MIT ⭐ 131K
LocalAI - Self-hosted AI runtime for text, voice, vision, and agents MIT ⭐ 49K
mlop - Experiment tracking platform for ML teams Apache-2.0 ⭐ 393
Ollama - Run open-source LLMs locally on your own machine MIT ⭐ 183K
Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 40K
OpenLIT - Monitor, debug, and scale LLM applications with ease Apache-2.0 ⭐ 2.8K
OpenLLMetry - Monitor LLM performance with open-source observability Apache-2.0 ⭐ 7.5K
Spanlens - LLM observability: cost, latency, and traces in one place MIT ⭐ 13
vLLM - High-throughput, memory-efficient serving engine for LLMs Apache-2.0 ⭐ 94K

AI Interaction & Interfaces

Macro Mail - Keyboard-first email client with AI, chat, and tasks AGPL-3.0 ⭐ 4.6K
Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
Proton Lumo - Private AI chat with zero-access encryption GPL-3.0 ⭐ 5.6K
5ire - Smart desktop AI assistant with powerful local knowledge features ⭐ 5.4K
AnythingLLM - Chat with your documents using any LLM, fully private MIT ⭐ 67K
Browser Operator - Open-source AI browser for intelligent web automation BSD-3-Clause ⭐ 511
Browser Use - Let AI agents control any browser, at scale MIT ⭐ 118K
Cherry Studio - Multi-model AI desktop client with local-first privacy AGPL-3.0 ⭐ 53K
CopilotKit - Build AI copilots for your product in hours, not months MIT ⭐ 38K
Corpus - Ask once, get answers across every document AGPL-3.0 ⭐ 13
ego lite - Chromium browser built for sharing with AI agents MIT ⭐ 17K
Eigent - Desktop multi-agent workforce for automating real tasks Apache-2.0 ⭐ 15K
FastGPT - Build powerful AI knowledge bases with ease ⭐ 30K
Fullmoon - Chat with private and local large language models MIT ⭐ 2.3K
Hermes Agent - Desktop AI agent with persistent memory across platforms MIT ⭐ 253K
Inbox Zero - AI email assistant that automates, organizes, and declutters AGPL-3.0 ⭐ 12K
IronClaw - AI agent runtime with encrypted enclaves for your secrets Apache-2.0 ⭐ 13K
Jan - Run AI models locally or connect to cloud, privately Apache-2.0 ⭐ 45K
Jarvis - Dictate faster and control your Mac with voice MIT ⭐ 647
Khoj - AI second brain for research, automation, and personal agents AGPL-3.0 ⭐ 38K
Leon - Your open-source personal assistant for server automation MIT ⭐ 18K
LibreChat - One interface for all your AI models and conversations MIT ⭐ 45K
Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 36K
LobeChat - Manage, build, and run AI agent teams around the clock ⭐ 83K
MausBot - A team of AI agents in a chat app, on your own machine Apache-2.0 ⭐ 4.3K
MaxKB - AI assistant that enhances enterprise knowledge management GPL-3.0 ⭐ 23K
Meetily - Local AI meeting transcription with zero data leaving your device MIT ⭐ 32K
Minutes - Local meeting recorder that keeps your audio off the cloud MIT ⭐ 1.5K
Morphic - AI-powered answer engine with dynamic interface generation Apache-2.0 ⭐ 9.2K
nanobot - Self-hosted AI agent for chat, automation, and workflows MIT ⭐ 49K
NanoClaw - Personal AI agent for messaging apps, containerized MIT ⭐ 31K
Onyx - Unified AI-powered enterprise search across company data MIT ⭐ 32K
Open WebUI - One interface for every AI model you run or connect BSD-3-Clause ⭐ 154K
Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 40K
OpenBot - Self-hosted enterprise agent platform with real permissions MIT ⭐ 6.3K
OpenClaw - An AI assistant that acts, not just answers MIT ⭐ 392K
Orama - Full-text & vector search at the edge. ⭐ 11K
Pearl - AI-powered automation that lives in your Slack workspace Apache-2.0 ⭐ 1.1K
Pipeshub - Enterprise workplace AI with data you own and control Apache-2.0 ⭐ 3.8K
Prismical - Transcribe meetings and voice notes with local AI, no bots required MIT ⭐ 101
Rakazo - Self-hosted AI agents that do real work on your machine Apache-2.0 ⭐ 3.6K
Scira - Minimalistic AI-powered search engine for instant answers AGPL-3.0 ⭐ 12K
screenpipe - 24/7 screen and audio recorder with AI memory search Other ⭐ 22K
Skyvern - Automate any website workflow with AI and computer vision AGPL-3.0 ⭐ 23K
Steel - Cloud browser sessions for AI agents and web automation Apache-2.0 ⭐ 7.8K
SurfSense - Privacy-first knowledge base with any AI model you choose Apache-2.0 ⭐ 16K
Swirl Search - Get instant answers from your company knowledge Apache-2.0 ⭐ 3K
Typebot - Create powerful chatbots without coding ⭐ 11K
ZeroClaw - Self-hosted AI agent with 70+ providers and 30+ channels Apache-2.0 ⭐ 33K
Zola - AI chat companion with versatile model support Apache-2.0 ⭐ 1.5K

Business Software

Marketing & Customer Engagement

Novu - Multi-channel notification infrastructure for apps ⭐ 40K
OpenSEO - Self-hosted SEO platform for keyword, backlink, and rank tracking MIT ⭐ 23K
Postiz - Schedule, analyze, and manage 30+ social media accounts AGPL-3.0 ⭐ 37K
Billion Mail - Open-source mail server with unlimited sending & AI tools AGPL-3.0 ⭐ 16K
Brace.to - Securely save and access your favorite links across devices MIT ⭐ 107
Chaskiq - Open-source customer communication platform ⭐ 3.6K
Chatwoot - Omnichannel customer support with a built-in AI assistant MIT ⭐ 38K
Contentport - Your content engine for growing on Twitter at scale AGPL-3.0 ⭐ 769
Cossistant - AI-native support infrastructure for modern SaaS AGPL-3.0 ⭐ 730
Dittofeed - Open-source customer engagement platform for automation MIT ⭐ 3K
Dub Links - Branded short links with analytics and conversion tracking AGPL-3.0 ⭐ 25K
Dub Partners - Affiliate marketing platform built for SaaS companies AGPL-3.0 ⭐ 25K
Erxes - Open-source growth platform for customer-centric teams AGPL-3.0 ⭐ 4.1K
Fonoster - Open-source cloud communications platform for developers MIT ⭐ 8.1K
Frappe Helpdesk - Open-source ticketing system for streamlined support AGPL-3.0 ⭐ 3.4K
Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.6K
Hyvor Post - Privacy-first newsletter platform without tracking AGPL-3.0 ⭐ 33
Keila - Open-source email marketing for the privacy-conscious AGPL-3.0 ⭐ 2.2K
Krayin - Self-hosted CRM for enhanced business relationships MIT ⭐ 24K
Kutt - Simplify your links with this free, modern URL shortener MIT ⭐ 11K
LinkStack - Your digital identity, beautifully organized AGPL-3.0 ⭐ 3.9K
Linky - A delightfully rich and dynamic link-in-bio. MIT ⭐ 802
Listmonk - Self-hosted newsletter and mailing list manager AGPL-3.0 ⭐ 24K
LittleLink - Create your own link-in-bio page with 100+ branded buttons MIT ⭐ 3.1K
Lua.sh - Professional link management for modern teams AGPL-3.0 ⭐ 344
Mautic - Open source marketing automation for everyone ⭐ 11K
Mixpost - Self-hosted social media management without limits MIT ⭐ 3.8K
Notifuse - Self-hosted email platform with visual editor & analytics AGPL-3.0 ⭐ 2.2K
Notra - Track your brand's visibility across AI answer engines AGPL-3.0 ⭐ 257
Plunk - The open-source, affordable email platform AGPL-3.0 ⭐ 5.5K
Sendportal - Self-hosted email marketing with unlimited everything MIT ⭐ 2.2K
Sendune - Simplify AWS SES email management with ease MIT ⭐ 2.3K
Shlink - The definitive self-hosted URL shortener MIT ⭐ 5.3K
Sink - Simple, speedy, and secure link shortener with analytics AGPL-3.0 ⭐ 7.2K
Slugy - Transform long URLs into beautiful, trackable short links MIT ⭐ 93
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
TryPost - Schedule posts to every major social network, self-hosted AGPL-3.0 ⭐ 692
useSend - Pay per email sent, not for contact storage AGPL-3.0 ⭐ 4.7K
WR.DO - Free DNS management and URL shortening platform MIT ⭐ 2.3K
Wraps - Code-first email platform that deploys to your AWS AGPL-3.0 ⭐ 63
Zammad - Powerful helpdesk solution for streamlined customer service AGPL-3.0 ⭐ 6K

Customer Support & Success

BugPin - Self-hosted visual bug reporting with screenshot annotation AGPL-3.0 ⭐ 44
Chaskiq - Open-source customer communication platform ⭐ 3.6K
Chatwoot - Omnichannel customer support with a built-in AI assistant MIT ⭐ 38K
ClearFlask - Open-source ideation tool for product feedback management Apache-2.0 ⭐ 451
Cossistant - AI-native support infrastructure for modern SaaS AGPL-3.0 ⭐ 730
Fider - Open-source platform for collecting and prioritizing feedback AGPL-3.0 ⭐ 4.6K
Formbricks - Privacy-first survey and experience management platform AGPL-3.0 ⭐ 13K
Frappe Helpdesk - Open-source ticketing system for streamlined support AGPL-3.0 ⭐ 3.4K
Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.6K
LogChimp - Open-source feedback management for product teams Apache-2.0 ⭐ 1.1K
Reflet - Turn user feedback into features that matter SSPL-1.0 ⭐ 39
SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 159
Sayr - Bridge internal workflows with public collaboration ⭐ 29
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
Usertour - Create engaging product tours and user onboarding experiences AGPL-3.0 ⭐ 2.3K
UserTourKit - Lightweight, accessible product tours built for React developers MIT ⭐ 68
Zammad - Powerful helpdesk solution for streamlined customer service AGPL-3.0 ⭐ 6K

E-commerce Platforms

Alokai - Build and deploy scalable storefronts with ease MIT ⭐ 11K
Bagisto - Open source Laravel eCommerce platform for modern businesses MIT ⭐ 28K
Medusa - Open-source e-commerce for modern developers MIT ⭐ 37K
Saleor - Flexible e-commerce platform for modern businesses BSD-3-Clause ⭐ 23K
Shopware - Open source ecommerce platform for modern businesses MIT ⭐ 3.4K
Solidus - Flexible eCommerce platform for brands that stand out BSD-3-Clause ⭐ 5.3K
Spree Commerce - Open source headless commerce with REST API, no platform fees, built for B2B and marketplaces BSD-3-Clause ⭐ 16K
UnoPim - AI-powered PIM for managing product catalogs at scale MIT ⭐ 11K
Vendure - Flexible e-commerce for modern businesses MIT ⭐ 8.5K
WooCommerce - Open-source ecommerce platform for WordPress GPL-2.0 ⭐ 11K
Your Next Store (YNS) - Launch Your Store in Minutes, No Code Needed MIT ⭐ 5.5K

Project & Work Management

Macro Tasks - Task management with GitHub sync and AI agents for devs AGPL-3.0 ⭐ 4.6K
AppFlowy - AI workspace for docs, projects, and wikis you control AGPL-3.0 ⭐ 77K
Colanode - Self-hosted team workspace with chat, docs, and databases Apache-2.0 ⭐ 5.2K
Donetick - Smart task management for individuals and families AGPL-3.0 ⭐ 2.6K
Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 589
Fizzy - Modern kanban that's fast, fun, and refreshingly simple ⭐ 8.2K
GitLab - AI-powered DevSecOps for faster, secure software delivery MIT ⭐ 25K
Huly - All-in-one workspace for project, chat, and docs EPL-2.0 ⭐ 28K
Kan - Open source kanban boards with unlimited everything AGPL-3.0 ⭐ 5.8K
Kanba - Beautiful Kanban boards with seamless payment integration MIT ⭐ 662
Kaneo - Simple, secure project management for development teams MIT ⭐ 9.4K
Kanri - Simplify your workflow with offline Kanban boards GPL-3.0 ⭐ 2.1K
Leantime - Goal-driven project management for all brains AGPL-3.0 ⭐ 12K
Manage - Open-source project management inspired by Basecamp AGPL-3.0 ⭐ 71
OpenProject - Classic, agile, or hybrid project management, self-hosted GPL-3.0 ⭐ 16K
Operately - Open source company management for high-performance startups Apache-2.0 ⭐ 579
Orgnise - Effortlessly manage tasks, projects, and teams AGPL-3.0 ⭐ 249
Plane - Project management for teams and AI agents AGPL-3.0 ⭐ 61K
Planka - Self-hosted Kanban board with real-time collaboration ⭐ 13K
Redmine - Flexible project management you can host yourself GPL-2.0 ⭐ 6K
Sayr - Bridge internal workflows with public collaboration ⭐ 29
Shelve - Simplify project management for developers Apache-2.0 ⭐ 458
ShipShipShip - Open-source changelog & roadmap platform for teams Apache-2.0 ⭐ 301
Super Productivity - Task manager with time tracking, focus mode, and deep work tools MIT ⭐ 23K
Taiga - Agile project management for cross-functional teams MPL-2.0 ⭐ 858
Vikunja - Organize, collaborate, and conquer your tasks AGPL-3.0 ⭐ 5.7K
Wekan - Visual project management with complete data control MIT ⭐ 21K
Windshift - Self-hosted project management with boards and test tracking AGPL-3.0 ⭐ 331
Worklenz - Open source agency management tool for streamlined success AGPL-3.0 ⭐ 3.2K

Collaboration & Communication

Baserow - No-code database and app builder you can self-host MIT ⭐ 6.1K
Macro Chat - Team chat with email, tasks, and docs in one workspace AGPL-3.0 ⭐ 4.6K
Affine - Docs, whiteboards, and databases in one privacy-first workspace MIT ⭐ 73K
Busabase - A verified workspace where AI agents store and build knowledge MIT ⭐ 444
Buzz - Team chat, project management, and AI agents in one place Apache-2.0 ⭐ 36K
Campfire - Self-hosted group chat without recurring subscription fees MIT ⭐ 4.8K
Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.9K
Colanode - Self-hosted team workspace with chat, docs, and databases Apache-2.0 ⭐ 5.2K
dDocs - End-to-end encrypted collaborative document editor AGPL-3.0 ⭐ 433
Docs - Create, edit and share documents with real-time collaboration MIT ⭐ 17K
Element - Secure, decentralized messaging for teams and individuals AGPL-3.0 ⭐ 14K
Ethora - Messaging SDK with AI agents for web, iOS, and Android Apache-2.0 ⭐ 549
Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 589
Excalidraw - Collaborative whiteboard with a hand-drawn aesthetic MIT ⭐ 134K
Fluxer - Open source messaging with privacy and community focus AGPL-3.0 ⭐ 11K
Huly - All-in-one workspace for project, chat, and docs EPL-2.0 ⭐ 28K
Jitsi - Private, secure video calls with no account needed Apache-2.0 ⭐ 30K
Mattermost - Secure collaboration platform for mission-critical work ⭐ 39K
Mezon - Create custom spaces to chat, game, and connect globally MIT ⭐ 2K
Nextcloud - Secure cloud collaboration platform for organizations AGPL-3.0 ⭐ 37K
Plane - Project management for teams and AI agents AGPL-3.0 ⭐ 61K
Quiet - Serverless team chat over Tor, no phone number needed GPL-3.0 ⭐ 2.7K
Rocket.Chat - Self-hosted team messaging with voice, video, and AI MIT ⭐ 46K
Stoat - Group chat for friends and communities, without the baggage ⭐ 3.4K
Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.9K
Teable - Flexible database meets intuitive spreadsheet interface AGPL-3.0 ⭐ 22K
Tldraw - Free instant whiteboard with real-time collaboration ⭐ 51K
Twake Chat - Secure open source messaging for professional teams AGPL-3.0 ⭐ 170
UnInbox - Transform team email into efficient collaborative workflows AGPL-3.0 ⭐ 1.8K
Wire - Secure collaboration platform with end-to-end encryption GPL-3.0 ⭐ 2.6K
Workadventure - Virtual office platform for engaging remote collaboration ⭐ 5.8K
Zulip - Organized team chat for distributed teams Apache-2.0 ⭐ 26K

Scheduling & Event Management

Cal.com - Self-host your own scheduling page, no vendor required MIT ⭐ 49K
Chobble Tickets - Event ticketing with no per-ticket platform fees AGPL-3.0 ⭐ 34
Easy!Appointments - Free open-source appointment booking for any business GPL-3.0 ⭐ 4.4K
Hi.Events - Effortlessly manage events and sell tickets online ⭐ 4.1K
Pretix - Sell tickets for events, conferences, and exhibitions ⭐ 2.5K
Rallly - Effortless group scheduling for seamless collaboration AGPL-3.0 ⭐ 5.3K

Document Management & E-Signatures

Documenso - Secure, open-source document signing for everyone AGPL-3.0 ⭐ 15K
Docuseal - Legally binding document signing for individuals and teams AGPL-3.0 ⭐ 19K
OpenSign - Secure, customizable e-signatures for modern businesses AGPL-3.0 ⭐ 7.1K
Paperless-ngx - Effortlessly organize your digital documents GPL-3.0 ⭐ 46K
Papermark - Open-source document sharing with powerful analytics AGPL-3.0 ⭐ 9.2K
Papra - Organize and secure your documents in one central hub AGPL-3.0 ⭐ 5.6K
Seafile - Self-hosted file sync with AI-powered organization ⭐ 15K
Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.9K
Wraft - Scale document creation with automated workflows AGPL-3.0 ⭐ 167

Forms & Surveys

Formbricks - Privacy-first survey and experience management platform AGPL-3.0 ⭐ 13K
Formizee - Create and manage forms with ease Apache-2.0 ⭐ 186
HeyForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 9K
Ikiform - Create stunning forms with AI-powered builder and analytics MIT ⭐ 355
LimeSurvey - Create engaging surveys and gather valuable insights ⭐ 3.8K
OpnForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 3.8K
Palform - Secure, encrypted forms with advanced features AGPL-3.0 ⭐ 48

Compliance & Risk Management

Openlane - Continuous compliance automation for SOC 2, ISO 27001 & more Apache-2.0 ⭐ 324
Probo - Managed compliance for SOC 2, ISO 27001, HIPAA, and more MIT ⭐ 1.4K
Ballerine - AI agents that transform merchant risk decisions at scale ⭐ 2.4K
c15t - Build privacy-compliant cookie banners with full control Apache-2.0 ⭐ 1.9K
Comp AI - Get audit-ready for SOC 2, ISO 27001, HIPAA, and GDPR AGPL-3.0 ⭐ 2K
OpenPolicy - Generate legal policies directly from TypeScript code Apache-2.0 ⭐ 164

Human Resources (HR)

Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 8.3K
Horilla - Comprehensive open-source HR management solution LGPL-2.1 ⭐ 1.5K
Reqcore - Own your hiring data with unlimited seats forever AGPL-3.0

Finance & Accounting

Akaunting - Free online accounting for small businesses and freelancers ⭐ 10K
Autumn - Stripe payments, usage tracking, and paywalls in 3 functions Apache-2.0 ⭐ 2.8K
Bigcapital - Automate financial processes for smarter business decisions AGPL-3.0 ⭐ 3.9K
Crater - AI-powered embedded AR/AP automation for platforms AGPL-3.0 ⭐ 8.4K
ERPNext - Comprehensive business management, tailored for you GPL-3.0 ⭐ 40K
Expensify - Simplify expense management for businesses of all sizes MIT ⭐ 5.1K
ezBookkeeping - Lightweight self-hosted bookkeeping with AI receipt scanning MIT ⭐ 5.7K
Flexprice - Open source metering and billing infrastructure for any pricing model AGPL-3.0 ⭐ 6.9K
Flowglad - Cross-system automation and knowledge base for accounting firms ⭐ 1.7K
Formance - Open source financial infrastructure for modern businesses MIT ⭐ 529
Gumroad - Your all-in-one marketplace for digital creators and products MIT ⭐ 9.8K
Hyperswitch - Open source payment orchestrator for global transactions Apache-2.0 ⭐ 45K
Invoice Ninja - Send invoices, accept payments, manage your business—all free Elastic-2.0 ⭐ 10K
Kimai - Effortless time tracking for teams and projects AGPL-3.0 ⭐ 5.1K
Lago - Transform complex usage data into accurate, real-time billing AGPL-3.0 ⭐ 11K
Meteroid - Flexible billing infrastructure for modern SaaS AGPL-3.0 ⭐ 1.3K
Midday - Streamline your business finances and operations AGPL-3.0 ⭐ 15K
OpenBB - AI-powered analytics workspace built for investment teams AGPL-3.0 ⭐ 74K
OpenMeter - Real-time usage metering and billing for AI companies Apache-2.0 ⭐ 2.4K
Paymenter - Modern open-source billing platform for hosting businesses MIT ⭐ 2.4K
Polar - Modern payment infrastructure for digital products and SaaS Apache-2.0 ⭐ 10K
Spliit - Effortlessly split expenses with friends and roommates MIT ⭐ 3K
Suprascribe - Automatically discover hidden subscriptions from your inbox AGPL-3.0 ⭐ 11
UniBee - Cut billing costs with open-source subscription management AGPL-3.0 ⭐ 233

CRM & Sales

CRM - An agentic CRM that keeps records current automatically MIT ⭐ 11K
Macro CRM - A self-building CRM powered by your email AGPL-3.0 ⭐ 4.6K
Atomic CRM - Open-source CRM toolkit for personalized solutions MIT ⭐ 1.4K
Erxes - Open-source growth platform for customer-centric teams AGPL-3.0 ⭐ 4.1K
EspoCRM - Complete customer relationship management made simple AGPL-3.0 ⭐ 3.5K
Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 8.3K
Frappe CRM - Open-source CRM that puts simplicity and control first AGPL-3.0 ⭐ 3.8K
Krayin - Self-hosted CRM for enhanced business relationships MIT ⭐ 24K
Malak - Streamline investor relations and fundraising management AGPL-3.0 ⭐ 61
Odoo - All-in-one business platform covering ERP, CRM, and more ⭐ 55K
Open Mercato - AI-native CRM/ERP foundation with 80% already built MIT ⭐ 1.8K
Relaticle - Self-hosted CRM with built-in AI chat and agent tools AGPL-3.0 ⭐ 1.8K
Twenty - Build a custom CRM without the proprietary lock-in AGPL-3.0 ⭐ 58K
Warpdrive - Self-hosted CRM for business development teams MIT ⭐ 75

ERP & Operations

ERPNext - Comprehensive business management, tailored for you GPL-3.0 ⭐ 40K
Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 8.3K
Odoo - All-in-one business platform covering ERP, CRM, and more ⭐ 55K
Open Mercato - AI-native CRM/ERP foundation with 80% already built MIT ⭐ 1.8K
Shelf - Track gear, bookings, and inventory without spreadsheets AGPL-3.0 ⭐ 3K

Education

Anki - Spaced repetition flashcards that remember for you ⭐ 32K

Legal

Mike - Open-source legal AI that law firms control and extend AGPL-3.0 ⭐ 4.3K

Bluesky - Social media reimagined for community and connection MIT ⭐ 18K
Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.9K
Lemmy - Build your own federated discussion community AGPL-3.0 ⭐ 15K
Loops - Federated short videos without corporate control AGPL-3.0 ⭐ 457
Mastodon - Decentralized social networking in your control AGPL-3.0 ⭐ 50K
PeerTube - Decentralized video platform for true digital freedom AGPL-3.0 ⭐ 15K
Pixelfed - Ad-free photo sharing with privacy and federation AGPL-3.0 ⭐ 7.1K

Community Building Platforms

Apache Answer - Open-source Q&A platform for knowledge sharing Apache-2.0 ⭐ 16K
Discourse - Cultivate vibrant online communities with ease GPL-2.0 ⭐ 48K
Flarum - Modern forum software for vibrant online communities MIT ⭐ 16K
LearnHouse - Create, sell, and manage online courses with full control AGPL-3.0 ⭐ 2.3K
Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 340

Content & Publishing

Blogging & Personal Sites

Ghost - Publishing platform for blogs, newsletters, and paid memberships MIT ⭐ 56K
Hyvor Blogs - Blogging platform with built-in SEO, themes, and APIs AGPL-3.0 ⭐ 23
Nonograph - Anonymous publishing with no accounts, tracking, or logins Unlicense ⭐ 319
Pagecord - Personal blogging platform that meets you where you write MIT ⭐ 194
Sigle - Web3 writing platform for content creators and crypto enthusiasts MIT ⭐ 489
WordPress - Create, customize, and manage your website with ease ⭐ 21K
Zenblog - Effortless blogging for developers and tech enthusiasts AGPL-3.0 ⭐ 254

Documentation & Knowledge Base

Changes.Page - Effortless changelog creation for open-source projects AGPL-3.0 ⭐ 284
Docmost - Self-hosted wiki with AI, compliance, and real-time editing AGPL-3.0 ⭐ 22K
Firecamp - Unified API development ecosystem for modern teams AGPL-3.0 ⭐ 2.6K
Fumadocs - Build beautiful documentation sites with Next.js MIT ⭐ 13K
Outline - Fast, collaborative wiki for teams who need organized docs BUSL-1.1 ⭐ 41K
Scalar - Open-source API documentation and testing platform MIT ⭐ 16K
Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 340
Typemill - Open-source CMS for text-driven websites MIT ⭐ 618
Vrite - Collaborative content creation for technical teams AGPL-3.0 ⭐ 2K
XWiki - Open-source knowledge management and collaboration platform LGPL-2.1 ⭐ 1.3K
xyd - Transform documentation with developer-focused simplicity MIT ⭐ 114
Zenblog - Effortless blogging for developers and tech enthusiasts AGPL-3.0 ⭐ 254

Content Management Systems (CMS)

Builder - Visual development platform for modern web experiences MIT ⭐ 8.9K
Craft CMS - Flexible CMS for custom digital experiences ⭐ 3.6K
Directus - Open-source data platform for effortless content management ⭐ 38K
Drupal - Build powerful websites with the open-source CMS GPL-2.0 ⭐ 4.3K
Ghost - Publishing platform for blogs, newsletters, and paid memberships MIT ⭐ 56K
KeystoneJS - Flexible, scalable Node.js CMS and app framework MIT ⭐ 10K
Marble CMS - Simple content management for modern sites AGPL-3.0 ⭐ 384
Payload - Headless CMS for developers, built with Node.js MIT ⭐ 45K
ProcessWire - Flexible CMS for developers, powerful for clients ⭐ 1.2K
Statamic - Craft flexible, powerful websites with ease ⭐ 4.9K
Strapi - Headless CMS with REST and GraphQL APIs out of the box MIT ⭐ 73K
TinaCMS - Visual editing for your Git-based content Apache-2.0 ⭐ 14K
Twill CMS - Craft flexible, beautiful digital experiences with ease Apache-2.0 ⭐ 4K
Typemill - Open-source CMS for text-driven websites MIT ⭐ 618
Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.2K
Webiny - Open-source serverless CMS for modern web projects MIT ⭐ 8K
WordPress - Create, customize, and manage your website with ease ⭐ 21K

Community Platforms

Apache Answer - Open-source Q&A platform for knowledge sharing Apache-2.0 ⭐ 16K
Discourse - Cultivate vibrant online communities with ease GPL-2.0 ⭐ 48K
Flarum - Modern forum software for vibrant online communities MIT ⭐ 16K
Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 340
Valour - Community-driven platform built for transparency AGPL-3.0 ⭐ 408

Learning Management Systems (LMS)

ClassroomIO - Build your custom learning academy in minutes AGPL-3.0 ⭐ 1.7K
CourseLit - Create, sell, and manage online courses with ease AGPL-3.0 ⭐ 1.3K
Gumroad - Your all-in-one marketplace for digital creators and products MIT ⭐ 9.8K
LearnHouse - Create, sell, and manage online courses with full control AGPL-3.0 ⭐ 2.3K

Digital Asset Management (DAM)

Ente - Secure, private photo storage and sharing solution AGPL-3.0 ⭐ 29K
imgproxy - On-the-fly image resizing and conversion for your own server Apache-2.0 ⭐ 11K
Immich - Self-hosted photo and video backup for your own server AGPL-3.0 ⭐ 116K
Lychee - Self-hosted photo management with full control MIT ⭐ 4.3K
Openinary - Self-hostable image and video delivery with URL transforms AGPL-3.0 ⭐ 412
Piwigo - Organize thousands of photos with ease GPL-2.0 ⭐ 3.9K
ResourceSpace - Organise, share, and control digital assets at scale BSD-3-Clause ⭐ 80

Publishing

Tolgee - Open-source localization platform for multilingual apps Apache-2.0 ⭐ 4.1K
Changes.Page - Effortless changelog creation for open-source projects AGPL-3.0 ⭐ 284
Languine - Automated localization for modern development teams MIT ⭐ 2K
LibreTranslate - Free offline machine translation API you can host yourself AGPL-3.0 ⭐ 17K
Lingo.dev - Automated translations that scale with your code and commits Apache-2.0 ⭐ 5.4K
ShipShipShip - Open-source changelog & roadmap platform for teams Apache-2.0 ⭐ 301
Weblate - Continuous web-based localization for global reach GPL-3.0 ⭐ 6.1K

Data & Analytics

Web & Product Analytics

OpenPanel - Cookie-free web and product analytics, self-hostable AGPL-3.0 ⭐ 7.1K
Aptabase - Privacy-first analytics for mobile and desktop apps AGPL-3.0 ⭐ 1.8K
Betterlytics - Privacy-first, cookieless analytics without consent banners AGPL-3.0 ⭐ 178
Countly - Comprehensive analytics for data-driven decisions Other ⭐ 5.9K
Databuddy - Privacy-first analytics without cookies or tracking AGPL-3.0 ⭐ 1.2K
Fathom Lite - Privacy-focused analytics without the complexity MIT ⭐ 8K
GrowthBook - Open-source A/B testing and feature flagging platform MIT ⭐ 8.5K
HitKeep - Privacy-first analytics you own completely MIT ⭐ 93
Litlyx - Cookie-less analytics for privacy-focused insights Apache-2.0 ⭐ 1.7K
Lua.sh - Professional link management for modern teams AGPL-3.0 ⭐ 344
Matomo - Empower your digital strategy with actionable insights GPL-3.0 ⭐ 22K
OpenReplay - Self-hosted session replay with complete data control AGPL-3.0 ⭐ 13K
OpenWebAnalytics - Powerful, customizable web analytics for your site GPL-2.0 ⭐ 2.7K
Plausible - Privacy-focused, lightweight web analytics AGPL-3.0 ⭐ 29K
PostHog - Unlock Product Insights with Open-Source Analytics MIT ⭐ 40K
Prisme Analytics - Privacy-friendly web analytics for data-driven decisions AGPL-3.0 ⭐ 135
Rybbit - Understand your audience with privacy-first analytics. AGPL-3.0 ⭐ 13K
Swetrix - Cookieless, privacy-first web analytics without the complexity AGPL-3.0 ⭐ 1.2K
Tianji - Website analytics, uptime monitoring, and server status in one Apache-2.0 ⭐ 3.1K
Trench - Fast, scalable analytics infrastructure MIT ⭐ 1.7K
Umami - Empower your website with privacy-focused analytics MIT ⭐ 39K
Vemetric - Simple, powerful web & product analytics for user insights AGPL-3.0 ⭐ 395

Data Engineering & Integration

Airbyte - Open-source data integration for modern teams Elastic-2.0 ⭐ 22K
CloudQuery - Sync and transform data from any source to any destination MPL-2.0 ⭐ 6.5K
CocoIndex - Ultra-fast data transformation for AI with lineage Apache-2.0 ⭐ 12K
Cube - Unify data models and metrics across your entire stack ⭐ 21K
Elementary Data - Data observability for modern data teams Apache-2.0 ⭐ 2.4K
Impler - Seamless data import for your applications MIT ⭐ 294
Jitsu - Open-source data integration for modern stacks MIT ⭐ 5.1K
Kestra - Declarative workflow orchestration for data, AI, and infra Apache-2.0 ⭐ 29K
Lightdash - Open-source BI for modern data teams MIT ⭐ 6.2K
Logstash - Centralize, transform, and stash your data ⭐ 15K
Mage - Magical data pipeline tool for seamless transformations Apache-2.0 ⭐ 8.8K
Open Wearables - Convert wearable data into actionable health insights with open algorithms MIT ⭐ 2.6K
Orbital - Connect APIs, databases, and streams without glue code ⭐ 360

Business Intelligence & Reporting

Apache Superset - Self-serve data exploration and dashboard builder Apache-2.0 ⭐ 75K
Azimutt - Next-Gen ERD: Design, Explore, Document and Analyze your database. MIT ⭐ 2.2K
Chartbrew - Create stunning data visualizations with ease MIT ⭐ 4.1K
Deepnote - Python, SQL, and AI in a collaborative data notebook Apache-2.0 ⭐ 3K
draw.io - Security-first diagramming with no login required Apache-2.0 ⭐ 8.7K
drawDB - Design database diagrams and generate SQL scripts instantly AGPL-3.0 ⭐ 40K
Evidence - Transform SQL into beautiful data stories MIT ⭐ 7K
Frappe Insights - Powerful open-source business intelligence for data-driven decisions AGPL-3.0 ⭐ 1K
Grafana - Unified observability for metrics, logs, traces, and more AGPL-3.0 ⭐ 77K
Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 12K
Lightdash - Open-source BI for modern data teams MIT ⭐ 6.2K
Mermaid - Text-based diagramming that renders in code and docs MIT ⭐ 91K
Metabase - Unlock data insights with powerful, user-friendly analytics ⭐ 50K
OpenBB - AI-powered analytics workspace built for investment teams AGPL-3.0 ⭐ 74K
Redash - Connect, query, visualize, and share your data BSD-2-Clause ⭐ 29K

Data Warehousing & Processing

Apache Cloudberry - Unlock Data's Potential with Open Source Power Apache-2.0 ⭐ 1.4K
Apache Pinot - Distributed OLAP database for real-time analytics at scale Apache-2.0 ⭐ 6.1K
ClickHouse - Lightning-fast analytics for massive datasets Apache-2.0 ⭐ 50K
Databend - Cloud-native data warehouse for lightning-fast analytics ⭐ 9.5K
Logstash - Centralize, transform, and stash your data ⭐ 15K
Timeplus - Real-time stream processing made simple and affordable Apache-2.0 ⭐ 2.3K
Trench - Fast, scalable analytics infrastructure MIT ⭐ 1.7K

Data Extraction & Web Scraping

Firecrawl - Turn any website into clean, AI-ready data via API AGPL-3.0 ⭐ 190K
Crawl4AI - LLM-ready web crawler built for AI data pipelines Apache-2.0 ⭐ 85K
Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 36K
Maxun - No-code web scraping, crawling, and extraction platform AGPL-3.0 ⭐ 18K
OpenSERP - Self-hosted SERP API for Google, Bing, Yandex, and more MIT ⭐ 1.5K

Developer Tools

Frameworks & Platforms

Baserow - No-code database and app builder you can self-host MIT ⭐ 6.1K
ActivePieces - Automate workflows with no-code integration platform MIT ⭐ 25K
AITable - Visual database for workflow automation across apps AGPL-3.0 ⭐ 16K
Alokai - Build and deploy scalable storefronts with ease MIT ⭐ 11K
AppSmith - Empower your team to build custom internal tools rapidly Apache-2.0 ⭐ 41K
Appwrite - Open-source backend platform for rapid app development BSD-3-Clause ⭐ 58K
Automa - Build AI agents and RPA workflows without writing code ⭐ 22K
Bknd - Feature-rich backend that runs anywhere you need it Apache-2.0 ⭐ 3.8K
Budibase - Build powerful web apps without complex coding ⭐ 28K
Builder - Visual development platform for modern web experiences MIT ⭐ 8.9K
Capgo - OTA updates for Capacitor apps without app store delays AGPL-3.0 ⭐ 210
Chartbrew - Create stunning data visualizations with ease MIT ⭐ 4.1K
CodeZero - Build complex automations without code, deploy anywhere with full control MIT ⭐ 56
Convertigo - Low-code and no-code platform for business apps AGPL-3.0 ⭐ 387
Convex - Build full-stack apps with TypeScript and real-time sync ⭐ 13K
Directus - Open-source data platform for effortless content management ⭐ 38K
Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
Frappe Builder - Visual website builder for effortless web design MIT ⭐ 2.4K
Giselle - Build and deploy AI agents through visual workflows Apache-2.0 ⭐ 557
GoRules - Business rules engine with AI, visual flows, and audit trails MIT ⭐ 2.1K
Grida - Open canvas for designing and building web apps Apache-2.0 ⭐ 2.7K
Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 12K
Hercules - Open-source testing agent for UI, API, security, accessibility & visual QA AGPL-3.0 ⭐ 1.2K
Hexabot - Self-hosted AI agents and workflows across any channel AGPL-3.0 ⭐ 1.1K
HeyForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 9K
Instant - Realtime client-side database for collaborative apps Apache-2.0 ⭐ 11K
KeystoneJS - Flexible, scalable Node.js CMS and app framework MIT ⭐ 10K
Langflow - Visual builder for AI agents and RAG pipelines MIT ⭐ 155K
LyteNyte Grid - Lightning-fast React data grid for enterprise scale ⭐ 1K
Mathesar - Spreadsheet-like interface for PostgreSQL databases GPL-3.0 ⭐ 5.1K
Mockoon - Effortless API mocking for seamless development MIT ⭐ 8.4K
n8n - Visual workflow automation with code flexibility and AI agents ⭐ 207K
NHost - Serverless backend platform for modern app development MIT ⭐ 9.4K
NocoBase - Build custom apps without code, deploy with ease ⭐ 25K
NocoDB - Transform databases into intuitive spreadsheets instantly AGPL-3.0 ⭐ 65K
Nordcraft - Craft AAA web apps that delight your users Apache-2.0 ⭐ 491
Onlook - Visual React editor with real-time code updates Apache-2.0 ⭐ 27K
OpnForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 3.8K
Palform - Secure, encrypted forms with advanced features AGPL-3.0 ⭐ 48
Plasmic - Visual app builder that integrates with your existing codebase MIT ⭐ 7.1K
PocketBase - Open-source backend in a single file MIT ⭐ 61K
ProcessWire - Flexible CMS for developers, powerful for clients ⭐ 1.2K
Proxed AI - Secure AI API management for iOS apps with DeviceCheck AGPL-3.0 ⭐ 8
Refine - Build data-rich React apps with ease and flexibility MIT ⭐ 36K
Reflex - Full-stack Python platform for web apps and internal tools Apache-2.0 ⭐ 29K
Rowy - Build powerful backends without leaving your browser Apache-2.0 ⭐ 6.8K
Silex - Free, open-source visual website builder for designers AGPL-3.0 ⭐ 3K
Structr - Build complete web apps with integrated graph database ⭐ 828
Supabase - Postgres-powered backend platform for production apps Apache-2.0 ⭐ 111K
Teable - Flexible database meets intuitive spreadsheet interface AGPL-3.0 ⭐ 22K
TipTap - Craft rich text experiences with ease MIT ⭐ 39K
ToolJet - Build internal tools rapidly without coding AGPL-3.0 ⭐ 41K
Typebot - Create powerful chatbots without coding ⭐ 11K
Vendure - Flexible e-commerce for modern businesses MIT ⭐ 8.5K
Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.2K
Webiny - Open-source serverless CMS for modern web projects MIT ⭐ 8K
WebStudio - Visual web development with code-level control AGPL-3.0 ⭐ 9K
WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.3K

Code Analysis & Transformation

Opengrep - Open-source code security engine for developers LGPL-2.1 ⭐ 3.2K

Terminals

Alacritty - High-performance terminal with GPU acceleration Apache-2.0 ⭐ 66K
Ghostty - Fast GPU-accelerated terminal with native UI design MIT ⭐ 62K
iTerm 2 - Advanced terminal with modern features for Mac developers GPL-2.0 ⭐ 18K
Kitty - GPU-accelerated terminal built for power users GPL-3.0 ⭐ 35K
Warp - A modern terminal built around AI coding agents AGPL-3.0 ⭐ 65K
WaveTerm - Cross-platform terminal with AI built in Apache-2.0 ⭐ 22K
WezTerm - GPU-accelerated terminal emulator with multiplexing across all platforms MIT ⭐ 29K
Zellij - Organize terminal sessions with built-in layouts, tabs, and panes MIT ⭐ 36K

Build & Deployment

/dev/push - Deploy apps instantly with git push - open source alternative MIT ⭐ 4.8K
Appwrite - Open-source backend platform for rapid app development BSD-3-Clause ⭐ 58K
Bytebase - Secure and streamline database changes with CI/CD automation MIT ⭐ 15K
Capgo - OTA updates for Capacitor apps without app store delays AGPL-3.0 ⭐ 210
Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 63K
Dokku - Self-hosted mini-PaaS for deploying applications easily MIT ⭐ 32K
Dokploy - Effortless deployment and management for any VPS ⭐ 38K
Dyrector - Simplify container deployment across environments Apache-2.0 ⭐ 1.9K
Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
Flagsmith - Feature flags and remote config for rapid deployment BSD-3-Clause ⭐ 6.6K
GitLab - AI-powered DevSecOps for faster, secure software delivery MIT ⭐ 25K
Harness - End-to-end open source software delivery platform Apache-2.0 ⭐ 39K
NHost - Serverless backend platform for modern app development MIT ⭐ 9.4K
Nitric - Cloud-native framework for infrastructure from code Apache-2.0 ⭐ 2K
NocoBase - Build custom apps without code, deploy with ease ⭐ 25K
Rivet - Build stateful backends with in-memory actors Apache-2.0 ⭐ 6.3K
Semaphore - Open source CI/CD platform that's faster and costs less ⭐ 1.6K
Stormkit - Deploy web apps with automated CI/CD and full infrastructure control GPL-3.0 ⭐ 266
Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 832
Windmill - Open-source workflow automation for developers ⭐ 18K
Woodpecker CI - Simple yet powerful CI/CD engine with great extensibility Apache-2.0 ⭐ 8K

Integration Platforms

ACI.dev - Build reliable AI agents with unified tool integration Apache-2.0 ⭐ 4.9K
ActivePieces - Automate workflows with no-code integration platform MIT ⭐ 25K
Automatisch - Open-source integration platform for seamless workflows ⭐ 14K
Hook0 - Open-source webhooks for seamless integrations SSPL-1.0 ⭐ 1.5K
Krakend - Blazing-fast API gateway with linear scalability Apache-2.0 ⭐ 2.7K
Nango - Build product integrations with 500+ APIs in hours Elastic-2.0 ⭐ 13K
Orbital - Connect APIs, databases, and streams without glue code ⭐ 360
WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.3K

API Development & Testing

Apache APISIX - High-performance API gateway with built-in LLM support Apache-2.0 ⭐ 17K
Bruno - Lightweight, fast, and open-source API client for developers MIT ⭐ 47K
Firecamp - Unified API development ecosystem for modern teams AGPL-3.0 ⭐ 2.6K
Fusio - API management platform for developers and AI agents Apache-2.0 ⭐ 2.1K
Gravitee - Unified API, event, and AI agent management platform Apache-2.0 ⭐ 459
Hive - Open-source GraphQL federation platform MIT ⭐ 484
Hoppscotch - Sleek, intuitive API development and testing platform MIT ⭐ 81K
HTTPie - Modern command-line HTTP client for the API era BSD-3-Clause ⭐ 4K
Insomnia - Powerful API development and testing made effortless Apache-2.0 ⭐ 40K
Krakend - Blazing-fast API gateway with linear scalability Apache-2.0 ⭐ 2.7K
Mockoon - Effortless API mocking for seamless development MIT ⭐ 8.4K
Requestly - Intercept, modify, and debug HTTP(S) requests effortlessly AGPL-3.0 ⭐ 6.8K
Tailcall - The modern GraphQL runtime Apache-2.0 ⭐ 1.4K
Tyk - Universal API management for REST, GraphQL, gRPC & async ⭐ 11K
UnKey - Secure, scalable API key management for developers AGPL-3.0 ⭐ 5.5K
Voiden - Build APIs like code with Git-native workspace Apache-2.0 ⭐ 1.8K
WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.3K
Yaak - Fast, secure, offline API client with Git integration MIT ⭐ 19K

Testing & Quality Assurance

Argos - Visual regression testing for seamless UI development MIT ⭐ 636
Hercules - Open-source testing agent for UI, API, security, accessibility & visual QA AGPL-3.0 ⭐ 1.2K
Keploy - Turn production traffic into regression tests, no code changes Apache-2.0 ⭐ 19K

Version Control & Collaboration

Coder - Fast, secure cloud development environments on your infrastructure AGPL-3.0 ⭐ 17K
Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
Forgejo - Self-hosted Git forge that's lightweight and secure ⭐ 5.6K
GitButler - Revolutionize your Git workflow with simultaneous branches FSL-1.1-MIT ⭐ 22K
GitComet - Fast, local-first Git GUI built in Rust AGPL-3.0 ⭐ 907
Gitea - Self-hosted Git service for seamless collaboration MIT ⭐ 58K
GitLab - AI-powered DevSecOps for faster, secure software delivery MIT ⭐ 25K
Gogs - Self-hosted Git service that's lightweight and easy to install MIT ⭐ 48K
Reflex - Full-stack Python platform for web apps and internal tools Apache-2.0 ⭐ 29K
Shelve - Simplify project management for developers Apache-2.0 ⭐ 458

Website Builders

Builder - Visual development platform for modern web experiences MIT ⭐ 8.9K
Frappe Builder - Visual website builder for effortless web design MIT ⭐ 2.4K
Linky - A delightfully rich and dynamic link-in-bio. MIT ⭐ 802
Nordcraft - Craft AAA web apps that delight your users Apache-2.0 ⭐ 491
Silex - Free, open-source visual website builder for designers AGPL-3.0 ⭐ 3K
Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.2K
WebStudio - Visual web development with code-level control AGPL-3.0 ⭐ 9K
WordPress - Create, customize, and manage your website with ease ⭐ 21K
Ycode - Visual website builder and CMS you can self-host MIT ⭐ 319

IDEs & Code Editors

Athas - Lightweight code editor with agents, Git, and terminal built in ⭐ 3.1K
CodeEdit - A native code editor for macOS MIT ⭐ 23K
Neovim - Hyperextensible, Lua-powered Vim-based text editor ⭐ 103K
Zed - High-performance code editor built for speed and AI GPL-3.0 ⭐ 92K

AI Assisted Coding

Aider - AI pair programmer that works inside your terminal Apache-2.0 ⭐ 49K
Cline - Open-source AI coding agent for your editor and terminal Apache-2.0 ⭐ 70K
Continue - Open-source coding agent for your IDE and terminal Apache-2.0 ⭐ 36K
Dray - Run Claude Code, Codex, Grok, and more from one app Apache-2.0 ⭐ 112
Dyad - Build unlimited AI apps locally with zero vendor lock-in Apache-2.0 ⭐ 22K
Emdash - Dashboard for running multiple coding agents in parallel Apache-2.0 ⭐ 6K
Forgecode - Terminal-native AI coding agent built on ZSH Apache-2.0 ⭐ 7.6K
Frontman - AI coding agent that sees your live app and edits code Apache-2.0 ⭐ 714
Goose - General-purpose AI agent for code, workflows, and more Apache-2.0 ⭐ 55K
Grok Build - AI coding agent and CLI for complex terminal workflows Apache-2.0 ⭐ 27K
Jean - Parallel AI agent workspaces with Git and project context Apache-2.0 ⭐ 1.3K
Kilo - AI coding agent for VS Code, JetBrains, CLI, and Cloud MIT ⭐ 28K
Kodus - AI code review that learns your team's standards AGPL-3.0 ⭐ 1.5K
Omnigent - Common layer for composing and governing AI agents Apache-2.0 ⭐ 11K
Open Interpreter - Coding agent that runs on local and open-weight models Apache-2.0 ⭐ 69K
OpenCode - AI coding agent for terminal, IDE, and desktop MIT ⭐ 213K
OpenHands - Autonomous coding agents that complete real engineering tasks MIT ⭐ 91K
Orca - Run multiple AI coding agents in parallel, side by side MIT ⭐ 89K
Paperclip - Org chart, budgets, and governance for AI agent teams MIT ⭐ 100K
Paseo - Run coding agents from your phone, desktop, or terminal Apache-2.0 ⭐ 20K
pi - Minimal terminal coding agent you can fully customize MIT ⭐ 114K
Pullfrog - AI agent workflows built natively into GitHub MIT ⭐ 1.3K
Roomote - Self-hosted AI coding agent that opens real PRs FCL-1.0 ⭐ 286
Superset - Run dozens of AI coding agents in parallel on your machine Elastic-2.0 ⭐ 15K
SWE-agent - AI agents that autonomously fix code and resolve GitHub issues MIT ⭐ 21K
Synara - Code with Claude, Codex, Gemini, and more in one workspace MIT ⭐ 2.1K
T3 Code - AI-powered coding made simple and efficient MIT ⭐ 27K
Tabby - AI-powered code completion for seamless development Apache-2.0 ⭐ 34K
Zero - Terminal coding agent with full model and data control MIT ⭐ 1.7K

Infrastructure & Operations

Backup & Recovery

Plakar - Encrypted, queryable backups for engineers who value time ISC ⭐ 2.1K
Pluton - Self-hosted encrypted backups with 70+ cloud storage options Apache-2.0 ⭐ 847

Databases

Baserow - No-code database and app builder you can self-host MIT ⭐ 6.1K
Activeloop - The tensor database for AI data Apache-2.0 ⭐ 9.2K
AITable - Visual database for workflow automation across apps AGPL-3.0 ⭐ 16K
Apache Cloudberry - Unlock Data's Potential with Open Source Power Apache-2.0 ⭐ 1.4K
Apache Druid - Real-time analytics database for sub-second OLAP queries Apache-2.0 ⭐ 14K
Apache IoTDB - Time-series database built for industrial IoT workloads Apache-2.0 ⭐ 6.4K
Azimutt - Next-Gen ERD: Design, Explore, Document and Analyze your database. MIT ⭐ 2.2K
Beekeeper Studio - Modern and intuitive SQL client for multiple databases ⭐ 24K
Bytebase - Secure and streamline database changes with CI/CD automation MIT ⭐ 15K
Chat2DB - Transform natural language into SQL queries with AI Apache-2.0 ⭐ 28K
Chroma - Open-source vector database for AI search and retrieval Apache-2.0 ⭐ 29K
Conar - AI-powered PostgreSQL management made simple AGPL-3.0 ⭐ 1.5K
CrateDB - Scalable SQL database for real-time analytics Apache-2.0 ⭐ 4.4K
Databend - Cloud-native data warehouse for lightning-fast analytics ⭐ 9.5K
DBeaver - Free database manager for SQL databases and beyond Apache-2.0 ⭐ 52K
Dragonfly - Blazing-fast in-memory data store for modern applications ⭐ 32K
drawDB - Design database diagrams and generate SQL scripts instantly AGPL-3.0 ⭐ 40K
Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
FalkorDB - Graph database built for GraphRAG and multi-tenant AI apps SSPL-1.0 ⭐ 8.7K
GreptimeDB - Unified observability database for metrics, logs, and traces Apache-2.0 ⭐ 6.7K
Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 12K
HelixDB - Unify vector search and graph traversals in one database Apache-2.0 ⭐ 6.2K
InfluxDB - Purpose-built time series database for real-time systems Apache-2.0 ⭐ 32K
Instant - Realtime client-side database for collaborative apps Apache-2.0 ⭐ 11K
Mathesar - Spreadsheet-like interface for PostgreSQL databases GPL-3.0 ⭐ 5.1K
Memgraph - High-performance graph computing for scalable data analysis ⭐ 4.6K
Milvus - High-performance vector database for GenAI applications Apache-2.0 ⭐ 46K
Neon Postgres - Serverless Postgres for modern applications Apache-2.0 ⭐ 23K
NocoDB - Transform databases into intuitive spreadsheets instantly AGPL-3.0 ⭐ 65K
OceanBase - High-performance distributed database for all workloads Apache-2.0 ⭐ 10K
Orama - Full-text & vector search at the edge. ⭐ 11K
Prometheus - Open source metrics collection, storage, and alerting Apache-2.0 ⭐ 66K
Qdrant - Fast, scalable vector database for AI applications Apache-2.0 ⭐ 35K
QuestDB - High-performance time-series database for massive data scale Apache-2.0 ⭐ 17K
SlateDB - Embedded storage engine built on object storage Apache-2.0 ⭐ 3.5K
Tabularis - Desktop SQL client with built-in MCP for AI agent access Apache-2.0 ⭐ 5.2K
TDengine - Time-series database and historian for industrial data AGPL-3.0 ⭐ 25K
TiDB - Scale-out SQL database for real-time analytics Apache-2.0 ⭐ 41K
TimescaleDb - Time-series database built on top of PostgreSQL ⭐ 24K
Turso - SQLite-compatible database for scalable multi-tenant applications MIT ⭐ 17K
VictoriaMetrics - High-performance time series database for metrics and logs Apache-2.0 ⭐ 18K
Weaviate - AI-native vector database for intuitive applications BSD-3-Clause ⭐ 17K

Orchestration & Scheduling

1Panel - Manage Linux servers with ease through a modern web interface GPL-3.0 ⭐ 37K
Bacalhau - Revolutionizing data processing with Compute Over Data Apache-2.0 ⭐ 872
Dagu - YAML-defined workflow orchestration, no database required GPL-3.0 ⭐ 4.3K
Dyrector - Simplify container deployment across environments Apache-2.0 ⭐ 1.9K
Hatchet - Distributed task queue for background jobs and workflows MIT ⭐ 8.1K
Healthchecks - Get alerted when cron jobs and scheduled tasks miss their run BSD-3-Clause ⭐ 10K
Inngest - Effortless event-driven workflows for modern applications SSPL-1.0 ⭐ 5.9K
Kestra - Declarative workflow orchestration for data, AI, and infra Apache-2.0 ⭐ 29K
Mage - Magical data pipeline tool for seamless transformations Apache-2.0 ⭐ 8.8K
Prefect - Python-native workflow orchestration for data and ML teams Apache-2.0 ⭐ 24K
Temporal - Build resilient applications with durable execution workflows MIT ⭐ 24K
Trigger - Run long-running AI tasks without timeouts or servers Apache-2.0 ⭐ 17K

Storage Solutions

Alarik - S3-compatible object storage built with Swift Apache-2.0 ⭐ 563
Ceph - Scalable open-source distributed storage system ⭐ 17K
Filestash - Unified file management for your enterprise storage AGPL-3.0 ⭐ 15K
Firefiles - Bring your own cloud storage, managed in one place AGPL-3.0 ⭐ 371
Garage - Lightweight distributed storage for self-hosting AGPL-3.0 ⭐ 4.7K
Spacedrive - Your personal distributed filesystem Apache-2.0 ⭐ 39K
Storj - Secure, decentralized cloud storage for your data AGPL-3.0 ⭐ 3.3K

Networking & Connectivity

Defguard - Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities ⭐ 2.9K
FireZone - Fast, flexible VPN replacement with zero-trust security Apache-2.0 ⭐ 9.1K
Netbird - Zero Trust networking with WireGuard-based secure connectivity ⭐ 30K
OpenVPN - Zero Trust VPN solutions for secure business networking ⭐ 15K
Pangolin - Zero trust network access that's better than VPN AGPL-3.0 ⭐ 23K
SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 159
Soketi - Next-gen WebSockets server for real-time apps AGPL-3.0 ⭐ 5.6K
Tailscale - Zero-config VPN with WireGuard for secure networking BSD-3-Clause ⭐ 37K
WireGuard - Fast, minimal VPN built on modern cryptography GPL-2.0 ⭐ 727

Messaging & Event Streaming

AutoMQ - S3-based serverless Kafka reinvented for cost efficiency Apache-2.0 ⭐ 11K
Hook0 - Open-source webhooks for seamless integrations SSPL-1.0 ⭐ 1.5K
Operational - Real-time event tracking and response for tech products AGPL-3.0 ⭐ 474
Sequin - Open-source message stream built on Postgres MIT ⭐ 2.2K
Svix - Webhook delivery platform with retries, security, and a portal MIT ⭐ 3.4K
Workbench - Inspect, debug, and replay BullMQ queues visually MIT ⭐ 450

Monitoring & Observability

Apache SkyWalking - Distributed tracing, metrics, logs, and GenAI monitoring in one Apache-2.0 ⭐ 25K
BugPin - Self-hosted visual bug reporting with screenshot annotation AGPL-3.0 ⭐ 44
Bugsink - Self-hosted error tracking for full control and scalability ⭐ 2.1K
Cachet - Professional status page system for transparent downtime communication ⭐ 15K
Checkmate - Beautiful open-source monitoring for modern infrastructure AGPL-3.0 ⭐ 11K
Checkmk - Complete IT infrastructure monitoring made simple GPL-2.0 ⭐ 2.4K
Coroot - Full-stack observability without code changes Apache-2.0 ⭐ 8K
EasyMonitor - Self-hosted uptime monitoring that runs on your hardware, not their servers MIT ⭐ 75
Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
Gatus - Advanced automated status page for real-time monitoring Apache-2.0 ⭐ 12K
Gigapipe - All-in-one observability with unlimited data ingestion AGPL-3.0 ⭐ 1.7K
GlitchTip - Error tracking, performance, and uptime in one place MIT ⭐ 166
Grafana - Unified observability for metrics, logs, traces, and more AGPL-3.0 ⭐ 77K
Grafana Loki - Cost-effective log aggregation that indexes labels, not full text AGPL-3.0 ⭐ 29K
GreptimeDB - Unified observability database for metrics, logs, and traces Apache-2.0 ⭐ 6.7K
Healthchecks - Get alerted when cron jobs and scheduled tasks miss their run BSD-3-Clause ⭐ 10K
Highlight - Real-time observability for modern web applications Apache-2.0 ⭐ 9.4K
HyperDX - Full-stack observability without the enterprise price tag MIT ⭐ 9.9K
Icinga - Open source monitoring for complex IT infrastructure GPL-3.0 ⭐ 2.2K
Keep - Unify, automate, and elevate your monitoring workflow MIT ⭐ 12K
Kener - Deploy a professional status page in minutes, no coding required MIT ⭐ 5.2K
Logfire - Powerful observability made simple for developers MIT ⭐ 4.5K
Logstash - Centralize, transform, and stash your data ⭐ 15K
Maple - OpenTelemetry observability with traces, logs, and metrics ⭐ 1.8K
Nagios - Complete infrastructure monitoring with 25+ years of expertise GPL-2.0 ⭐ 2K
NetData - Real-time monitoring for systems and applications GPL-3.0 ⭐ 81K
OneUptime - Comprehensive monitoring and incident management platform Apache-2.0 ⭐ 7.7K
OpenObserve - Petabyte-scale observability, without the massive bill. AGPL-3.0 ⭐ 22K
OpenReplay - Self-hosted session replay with complete data control AGPL-3.0 ⭐ 13K
OpenStatus - Status page and uptime monitoring for growing teams AGPL-3.0 ⭐ 9.2K
Peekaping - Self-hosted uptime monitoring you own and control MIT ⭐ 1.2K
ProjectDiscovery - Advanced vulnerability detection and management platform MIT ⭐ 32K
Prometheus - Open source metrics collection, storage, and alerting Apache-2.0 ⭐ 66K
Scanopy - Auto-generated network diagrams that stay current AGPL-3.0 ⭐ 5.9K
Sentry - Real-time error tracking and performance monitoring ⭐ 46K
SigNoz - Open-source observability platform for cloud-native apps MIT ⭐ 32K
Statusnook - Monitor, manage, and communicate service status effortlessly MIT ⭐ 987
StatusScout - Complete website health monitoring and security scanning ⭐ 16
Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 832
Tianji - Website analytics, uptime monitoring, and server status in one Apache-2.0 ⭐ 3.1K
Uptime Kuma - Self-hosted uptime monitoring with a clean dashboard MIT ⭐ 92K
Uptimepage - Monitors websites and APIs, pages on-call, and publishes a status page AGPL-3.0 ⭐ 42
Uptrace - Open source observability platform for modern applications AGPL-3.0 ⭐ 4.3K
Vector - Collect, transform, and route logs and metrics in one tool MPL-2.0 ⭐ 23K
VictoriaMetrics - High-performance time series database for metrics and logs Apache-2.0 ⭐ 18K
Wachd - AI-powered root cause analysis for on-call alerts, self-hosted and air-gapped Apache-2.0 ⭐ 42
Zabbix - Enterprise monitoring for networks, apps, and infrastructure AGPL-3.0 ⭐ 6.5K

Search Engines

Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
Manticore Search - Lightning-fast open source search engine for big data GPL-3.0 ⭐ 12K
Meilisearch - Lightning-fast search for your applications MIT ⭐ 60K
OpenSearch - Open-source search and analytics at enterprise scale Apache-2.0 ⭐ 14K
Quickwit - Lightning-fast search for massive datasets Apache-2.0 ⭐ 12K
SearXNG - Privacy-first metasearch across 270+ sources AGPL-3.0 ⭐ 38K
SeekStorm - Full-text search API with real-time indexing and crawling Apache-2.0 ⭐ 1.9K
Typesense - Lightning-fast, typo-tolerant search engine for all GPL-3.0 ⭐ 27K

Cloud Infrastructure Management

Spinifex - AWS-compatible cloud APIs on infrastructure you control AGPL-3.0 ⭐ 355
AutoMQ - S3-based serverless Kafka reinvented for cost efficiency Apache-2.0 ⭐ 11K
Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 63K
Cozystack - Turn bare metal into intelligent cloud infrastructure Apache-2.0 ⭐ 2.3K
Digger - Terraform automation with pull request workflows MIT ⭐ 5K
Flexprice - Open source metering and billing infrastructure for any pricing model AGPL-3.0 ⭐ 6.9K
Nitric - Cloud-native framework for infrastructure from code Apache-2.0 ⭐ 2K
OpenMeter - Real-time usage metering and billing for AI companies Apache-2.0 ⭐ 2.4K
OpenStack - Open source cloud infrastructure trusted at massive scale Apache-2.0 ⭐ 6.1K
OpenTofu - Open source infrastructure as code tool MPL-2.0 ⭐ 30K
Pulumi - Infrastructure as code in your favorite language Apache-2.0 ⭐ 26K
Terrateam - GitOps orchestration for infrastructure as code MPL-2.0 ⭐ 1.3K

Server & VM Management

1Panel - Manage Linux servers with ease through a modern web interface GPL-3.0 ⭐ 37K
aaPanel - Powerful and user-friendly web hosting control panel ⭐ 3.1K
CasaOS - Your personal cloud OS for simple, elegant home servers Apache-2.0 ⭐ 37K
Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 63K
Cosmos Server - Self-hosted cloud platform with automated security ⭐ 6.2K
Dokploy - Effortless deployment and management for any VPS ⭐ 38K
OpenPanel - Simplify server management with an intuitive interface MIT ⭐ 751
Refine - Build data-rich React apps with ease and flexibility MIT ⭐ 36K
Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 832
YunoHost - Self-host your digital life with ease AGPL-3.0 ⭐ 3K

Miscellaneous

Cryptocurrency & Blockchain

0 Finance - Transform idle cash into competitive yield for startups MIT ⭐ 253
Hummingbot - Open-source crypto trading bot for market making Apache-2.0 ⭐ 20K
OctoBot - Automate crypto trading with open-source strategies GPL-3.0 ⭐ 6.7K
Sigle - Web3 writing platform for content creators and crypto enthusiasts MIT ⭐ 489

Gaming

GDevelop - Create 2D and 3D games without coding, powered by AI assistance ⭐ 27K
Godot - Free 2D and 3D game engine for cross-platform projects MIT ⭐ 118K
MonoGame - Free, open-source framework for cross-platform game development ⭐ 15K
s&box - Build and play games inside a game engine that runs live MIT ⭐ 6.5K

Internet of Things (IoT)

CrateDB - Scalable SQL database for real-time analytics Apache-2.0 ⭐ 4.4K
Gladys Assistant - Self-hosted home automation without the cloud Apache-2.0 ⭐ 3.2K
Home Assistant - Local control smart home automation with privacy first Apache-2.0 ⭐ 91K

Finance & Fintech

alphai-tui - Live stock quotes, charts, and AI-scored news in your terminal MIT ⭐ 72
0 Finance - Transform idle cash into competitive yield for startups MIT ⭐ 253
Ballerine - AI agents that transform merchant risk decisions at scale ⭐ 2.4K
Crater - AI-powered embedded AR/AP automation for platforms AGPL-3.0 ⭐ 8.4K
Fincept Terminal - Open-source financial terminal for data-driven insights AGPL-3.0 ⭐ 32K
Formance - Open source financial infrastructure for modern businesses MIT ⭐ 529
Hummingbot - Open-source crypto trading bot for market making Apache-2.0 ⭐ 20K
Hyperswitch - Open source payment orchestrator for global transactions Apache-2.0 ⭐ 45K
OpenBB - AI-powered analytics workspace built for investment teams AGPL-3.0 ⭐ 74K

Logistics & Supply Chain

FleetBase - Open source modular logistics platform for faster app development AGPL-3.0 ⭐ 4.3K

Design & Prototyping

draw.io - Security-first diagramming with no login required Apache-2.0 ⭐ 8.7K
Graphite - Procedural vector editor that runs in your browser, no signup needed Apache-2.0 ⭐ 28K
Grida - Open canvas for designing and building web apps Apache-2.0 ⭐ 2.7K
Inkscape - Professional vector graphics editor for all skill levels Other ⭐ 4K
OpenPencil - Design editor that opens Figma files, runs AI, and stays local MIT ⭐ 8.9K
Penpot - Open-source UI design and prototyping for product teams MPL-2.0 ⭐ 61K
Plasmic - Visual app builder that integrates with your existing codebase MIT ⭐ 7.1K
Quant-UX - Design, prototype, and test user experiences with ease GPL-3.0 ⭐ 2.7K

Media & Streaming

Anthias - Transform any TV into professional digital signage ⭐ 3.7K
BookWyrm - Decentralized social network for book lovers and readers ⭐ 2.8K
Invidious - Watch YouTube without Google tracking you or showing ads AGPL-3.0 ⭐ 25K
Jellyfin - Self-hosted media server for movies, music, and more GPL-2.0 ⭐ 58K
Kodi - Full-featured media center for your TV and beyond ⭐ 21K
Lychee - Self-hosted photo management with full control MIT ⭐ 4.3K
Navidrome - Self-hosted music streaming for your personal collection GPL-3.0 ⭐ 24K
Nightingale - Transform any song into karaoke with AI-powered vocals GPL-3.0 ⭐ 1.5K
Nuclear - Ad-free music player that streams from multiple sources AGPL-3.0 ⭐ 19K
PeerTube - Decentralized video platform for true digital freedom AGPL-3.0 ⭐ 15K
Piwigo - Organize thousands of photos with ease GPL-2.0 ⭐ 3.9K

Photo & Video Editors

Audacity - Professional audio editing made simple and free ⭐ 19K
Compositor - Free, open-source image editor built for Mac compositing MIT ⭐ 15K
Darktable - Professional RAW photo editing and workflow management GPL-3.0 ⭐ 13K
GIMP - Professional image editing without the price tag ⭐ 6.5K
Kdenlive - Professional video editing without the price tag GPL-3.0 ⭐ 5.8K
Krita - Professional digital painting made accessible to everyone GPL-3.0 ⭐ 11K
LosslessCut - Cut and trim video without re-encoding or quality loss GPL-2.0 ⭐ 44K
OpenCut - Open source video editor that runs in your browser MIT ⭐ 93K
OpenShot - Free, cross-platform video editor that's easy to learn GPL-3.0 ⭐ 6.6K
RAWmakase - Lightroom-compatible RAW editor, no subscription MIT ⭐ 902
RawTherapee - Professional raw photo processing made free and powerful GPL-3.0 ⭐ 4.2K
Shotcut - A free, open source, cross-platform video editor GPL-3.0 ⭐ 15K

Productivity & Utilities

Note Taking & Knowledge Management

Macro Docs - Markdown docs wired into tasks, email, and agents AGPL-3.0 ⭐ 4.6K
Affine - Docs, whiteboards, and databases in one privacy-first workspace MIT ⭐ 73K
Anarlog - Private meeting notes, no bots, files you own MIT ⭐ 9.5K
AnyType - Private workspace for notes, tasks, and databases ⭐ 8.9K
AppFlowy - AI workspace for docs, projects, and wikis you control AGPL-3.0 ⭐ 77K
Beaver Notes - Local-first notes app with no cloud, no AI, no tracking MIT ⭐ 1.3K
Blinko - AI-Powered Note Taking App GPL-3.0 ⭐ 11K
Darkwrite - Distraction-free note-taking with powerful features AGPL-3.0 ⭐ 317
Deta Surf - Browser and notebook combined with local-first AI Apache-2.0 ⭐ 3.6K
Docmost - Self-hosted wiki with AI, compliance, and real-time editing AGPL-3.0 ⭐ 22K
itsnotes - Self-hosted sticky notes with better organization MIT ⭐ 35
Joplin - Encrypted note-taking that syncs across all your devices ⭐ 57K
Justnote - Privacy-focused note-taking made simple and fast GPL-2.0 ⭐ 68
KeePassXC - Cross-platform, secure password manager GPL-3.0 ⭐ 29K
Khoj - AI second brain for research, automation, and personal agents AGPL-3.0 ⭐ 38K
Logseq - Privacy-first knowledge base that connects your notes AGPL-3.0 ⭐ 45K
Memos - Self-hosted timeline for quick notes, logs, and snippets MIT ⭐ 64K
Notesnook - Zero-knowledge encrypted notes that sync across all devices GPL-3.0 ⭐ 15K
Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 40K
OpenNotas - Fast, secure, and free personal note-taking app ⭐ 179
Outline - Fast, collaborative wiki for teams who need organized docs BUSL-1.1 ⭐ 41K
Silverbullet - Programmable notes with queries, Lua scripting, and wiki links MIT ⭐ 6.3K
SiYuan - Privacy-first knowledge management with block-level linking AGPL-3.0 ⭐ 47K
Standard Notes - Secure, encrypted notes for your digital life AGPL-3.0 ⭐ 6.6K
SurfSense - Privacy-first knowledge base with any AI model you choose Apache-2.0 ⭐ 16K
Tolaria - Local-first, Git-native personal knowledge base with AI AGPL-3.0 ⭐ 20K
Vrite - Collaborative content creation for technical teams AGPL-3.0 ⭐ 2K
XWiki - Open-source knowledge management and collaboration platform LGPL-2.1 ⭐ 1.3K
Zen - Clean, distraction-free note-taking with local storage AGPL-3.0 ⭐ 1.2K
Zotero - Collect, organize, cite, and share research in one place ⭐ 16K

Password & Secret Management

2FAS - Local-first 2FA authenticator and password manager GPL-3.0 ⭐ 1.5K
Aegis Authenticator - 2FA token manager for Android with encrypted vault GPL-3.0 ⭐ 13K
Bitwarden - Secure password management for individuals and businesses AGPL-3.0 ⭐ 20K
KeePassXC - Cross-platform, secure password manager GPL-3.0 ⭐ 29K
Padloc - Secure password manager with end-to-end encryption AGPL-3.0 ⭐ 2.9K
Passbolt - Secure password management for teams AGPL-3.0 ⭐ 6.2K
PearPass - Complete password control, zero cloud dependency Apache-2.0 ⭐ 540
Vaultwarden - Self-hosted Bitwarden server that runs lean on your hardware AGPL-3.0 ⭐ 69K

Screen Capture & Recording

Cap - Screen recorder with instant sharing and a built-in editor AGPL-3.0 ⭐ 23K
Kap - Effortless screen recording for macOS MIT ⭐ 19K
OBS Studio - Free, open-source software for video recording and live streaming GPL-2.0 ⭐ 77K
Screenity - Free, private screen recording for Chrome GPL-3.0 ⭐ 19K
ShareX - Powerful screen capture and file sharing tool for Windows GPL-3.0 ⭐ 40K
Snapify - Self-hosted screen recording for seamless collaboration AGPL-3.0 ⭐ 1K

File Management & Sync

Cozy - Your secure French personal cloud for complete data control AGPL-3.0 ⭐ 1.3K
Firefiles - Bring your own cloud storage, managed in one place AGPL-3.0 ⭐ 371
Hoodik - Secure self-hosted cloud storage with end-to-end encryption ⭐ 1.5K
LocalSend - Share files securely across all devices without servers Apache-2.0 ⭐ 94K
Nextcloud - Secure cloud collaboration platform for organizations AGPL-3.0 ⭐ 37K
OpenCloud - Self-hosted file sharing built for digital sovereignty Apache-2.0 ⭐ 6.1K
ownCloud - Enterprise file sync, share, and collaboration platform Apache-2.0 ⭐ 2.2K
PairDrop - Instant file sharing across devices without setup GPL-3.0 ⭐ 12K
Peergos - Secure, private, and decentralized file storage AGPL-3.0 ⭐ 2.5K
Puter - A full desktop environment that runs in your browser AGPL-3.0 ⭐ 44K
Seafile - Self-hosted file sync with AI-powered organization ⭐ 15K
Spacedrive - Your personal distributed filesystem Apache-2.0 ⭐ 39K
Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.9K
Twake Drive - Secure open source file storage with end-to-end encryption AGPL-3.0 ⭐ 988

Email & Communication

Macro Mail - Keyboard-first email client with AI, chat, and tasks AGPL-3.0 ⭐ 4.6K
Novu - Multi-channel notification infrastructure for apps ⭐ 40K
AgentMail - Email inbox API built for AI agents and workflows MIT ⭐ 41
Billion Mail - Open-source mail server with unlimited sending & AI tools AGPL-3.0 ⭐ 16K
DoubleZero - Self-hosted email infrastructure for developers AGPL-3.0 ⭐ 1.2K
Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.6K
Hyvor Relay - Open-source email API with enterprise deliverability AGPL-3.0 ⭐ 917
Inbox Zero - AI email assistant that automates, organizes, and declutters AGPL-3.0 ⭐ 12K
Keila - Open-source email marketing for the privacy-conscious AGPL-3.0 ⭐ 2.2K
Ntfy - Simple, fast, and secure push notifications for all Apache-2.0 ⭐ 35K
Plunk - The open-source, affordable email platform AGPL-3.0 ⭐ 5.5K
Sendportal - Self-hosted email marketing with unlimited everything MIT ⭐ 2.2K
Sessy - Own your SES email analytics, from send to inbox ⭐ 937
Tuta - Secure email, calendar and contacts with end-to-end encryption GPL-3.0 ⭐ 8K
Twake Mail - Secure open source email with advanced encryption & AI AGPL-3.0 ⭐ 657
UnInbox - Transform team email into efficient collaborative workflows AGPL-3.0 ⭐ 1.8K
useSend - Pay per email sent, not for contact storage AGPL-3.0 ⭐ 4.7K

Time & Task Management

ActivityWatch - Track time automatically with privacy-first design MPL-2.0 ⭐ 19K
Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 589
Freeter - Your personal workspace organizer for maximum productivity GPL-3.0 ⭐ 1K
Hackatime - Track coding time across 70+ editors, completely free MIT ⭐ 214
Kimai - Effortless time tracking for teams and projects AGPL-3.0 ⭐ 5.1K
Sol - Fast and beautiful launcher for quick access to apps and tools MIT ⭐ 3.2K
SolidTime - Effortless time tracking for open source projects AGPL-3.0 ⭐ 9K
Super Productivity - Task manager with time tracking, focus mode, and deep work tools MIT ⭐ 23K
TimeScribe - Transform your time tracking into actionable insights GPL-3.0 ⭐ 914
Ueli - Quick access to apps and files with keyboard shortcuts MIT ⭐ 4.6K
Wakapi - Track coding time effortlessly, gain insights instantly MIT ⭐ 4.4K
Ziit - Track coding time and boost developer productivity AGPL-3.0 ⭐ 255

Personal Finance Management

Actual - Local-first envelope budgeting with full data ownership MIT ⭐ 29K
ezBookkeeping - Lightweight self-hosted bookkeeping with AI receipt scanning MIT ⭐ 5.7K
Financial Freedom - Open-source personal finance management tool GPL-3.0 ⭐ 2.9K
Fincept Terminal - Open-source financial terminal for data-driven insights AGPL-3.0 ⭐ 32K
Firefly III - Self-hosted personal finance manager with double-entry bookkeeping AGPL-3.0 ⭐ 25K
Ghostfolio - Track, analyze, and optimize your investments effortlessly AGPL-3.0 ⭐ 9.4K
Monetr - Take control of your finances, paycheck by paycheck FSL-1.1-MIT ⭐ 690
Splitpro - Effortlessly split expenses with friends and groups MIT ⭐ 1.5K
Sure.am - The personal finance app for everyone AGPL-3.0 ⭐ 10K
Wealthfolio - Secure desktop investment tracker for private wealth management AGPL-3.0 ⭐ 9.2K
YAFFA - Free, self-hosted personal finance app for long-term planning MIT ⭐ 110

Design & Visualization

Affine - Docs, whiteboards, and databases in one privacy-first workspace MIT ⭐ 73K
Chalk.ist - Transform your source code into stunning visuals MIT ⭐ 1.8K
Excalidraw - Collaborative whiteboard with a hand-drawn aesthetic MIT ⭐ 134K
Graphite - Procedural vector editor that runs in your browser, no signup needed Apache-2.0 ⭐ 28K
Penpot - Open-source UI design and prototyping for product teams MPL-2.0 ⭐ 61K
Ray.so - Create beautiful images of your code MIT ⭐ 2.4K
Tldraw - Free instant whiteboard with real-time collaboration ⭐ 51K

Bookmark & Content Management

Bookmark It - Organize, discover, and personalize your bookmarks AGPL-3.0 ⭐ 324
Brace.to - Securely save and access your favorite links across devices MIT ⭐ 107
Capd - Capture web pages, text, and images. Find them fast. MIT ⭐ 80
Cloudmark - Organize and access your bookmarks seamlessly in the cloud AGPL-3.0 ⭐ 77
Faved - Handcrafted minimal bookmark manager with advanced tagging system MIT ⭐ 1.3K
Karakeep - Save links, notes, and images. AI tags them for you. AGPL-3.0 ⭐ 30K
Linkding - Self-hosted bookmark manager built for speed and simplicity MIT ⭐ 11K
Linkwarden - Collaborative bookmark manager for teams and individuals AGPL-3.0 ⭐ 20K
Readeck - Save, organize and revisit web content effortlessly ⭐ 1.1K
Ryot - Track your life, your way GPL-3.0 ⭐ 3.6K
SeriesGuide - Track your TV shows and movies on Android ⭐ 2.2K
Showly - Track TV shows and movies, synced with Trakt.tv GPL-3.0 ⭐ 1.5K
Tonkatsu Box - Track games, movies, anime, manga, and books in one place MIT ⭐ 584
Wallabag - Save articles for later reading with complete privacy MIT ⭐ 13K

CoMaps - Navigate anywhere offline with complete privacy Apache-2.0 ⭐ 2.2K
Organic Maps - Privacy-first offline maps for hiking, cycling & navigation Apache-2.0 ⭐ 16K
OSMAnd - Navigate anywhere with detailed offline maps and GPS ⭐ 6.1K
Paralino - End-to-end encrypted location sharing for groups AGPL-3.0 ⭐ 71

Input & Dictation

VoiceInk - Local voice dictation with AI enhancement for macOS GPL-3.0 ⭐ 6.7K
Amical - Type 10x faster with AI-powered voice dictation MIT ⭐ 1.6K
Espanso - Type shortcuts, expand to full text instantly GPL-3.0 ⭐ 15K
FluidVoice - On-device voice dictation for macOS with adaptive AI GPL-3.0 ⭐ 12K
Handy - Press a key, speak, release. Text appears instantly. MIT ⭐ 33K
Jarvis - Dictate faster and control your Mac with voice MIT ⭐ 647
OpenWispr - Voice-to-text that works offline, privately, on any app MIT ⭐ 9.2K
Typerelay - Turn short shortcuts into your everyday words AGPL-3.0 ⭐ 50
VoiceTypr - Offline voice dictation that types into any app AGPL-3.0 ⭐ 730

Office Suites

Collabora Online - Open-source document editing suite for secure collaboration ⭐ 3.4K
CryptPad - Secure collaboration with end-to-end encryption AGPL-3.0 ⭐ 8K
IronCalc - A spreadsheet engine you can embed, self-host, or run in the browser Apache-2.0 ⭐ 4.2K
LibreOffice - Free office suite with Microsoft compatibility GPL-3.0 ⭐ 4.5K
ONLYOFFICE Docs - Complete office suite for documents, spreadsheets & more AGPL-3.0 ⭐ 7K

Browsers & Extensions

Brave - Fast, private browser that puts you first MPL-2.0 ⭐ 24K
Browser Operator - Open-source AI browser for intelligent web automation BSD-3-Clause ⭐ 511
Cloudmark - Organize and access your bookmarks seamlessly in the cloud AGPL-3.0 ⭐ 77
Deta Surf - Browser and notebook combined with local-first AI Apache-2.0 ⭐ 3.6K
ego lite - Chromium browser built for sharing with AI agents MIT ⭐ 17K
Flow - Fast, secure browsing with powerful organization features GPL-3.0 ⭐ 1.1K
Harper - Fast grammar checking that respects your privacy Apache-2.0 ⭐ 16K
Helium - Privacy-first browser with ad-blocking and no bloat GPL-3.0 ⭐ 21K
Ladybird - An independent browser engine built from scratch, not a fork BSD-2-Clause ⭐ 66K
LanguageTool - AI-powered grammar checker for 30+ languages LGPL-2.1 ⭐ 15K
LibreWolf - Firefox fork hardened for privacy, security, and freedom ⭐ 1.3K
Linguist - Privacy-focused translation with offline capabilities BSD-3-Clause ⭐ 1.1K
Midori Browser - Fast, secure, and privacy-focused web browsing MPL-2.0 ⭐ 408
Requestly - Intercept, modify, and debug HTTP(S) requests effortlessly AGPL-3.0 ⭐ 6.8K
Screenity - Free, private screen recording for Chrome GPL-3.0 ⭐ 19K
Waterfox - Privacy-first browser built for power users ⭐ 6.4K
Zen - System-wide ad-blocking and privacy protection, no extensions needed MIT ⭐ 4.3K
Zen Browser - Privacy-focused browser with powerful customization MPL-2.0 ⭐ 45K

Automation

Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
ActivePieces - Automate workflows with no-code integration platform MIT ⭐ 25K
Automa - Build AI agents and RPA workflows without writing code ⭐ 22K
Automatisch - Open-source integration platform for seamless workflows ⭐ 14K
Botpress - Build powerful AI agents with cutting-edge LLM technology MIT ⭐ 15K
ByteChef - Build AI agents and automate complex workflows seamlessly Apache-2.0 ⭐ 1K
ChatbotX - Self-hostable omnichannel chatbot platform for agencies MIT ⭐ 887
CodeZero - Build complex automations without code, deploy anywhere with full control MIT ⭐ 56
Dograh - Self-hostable voice agent platform with full model control BSD-2-Clause ⭐ 5.8K
Ethora - Messaging SDK with AI agents for web, iOS, and Android Apache-2.0 ⭐ 549
Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 36K
LiveKit - Full-stack platform for voice, video, and physical AI agents Apache-2.0 ⭐ 21K
MDMA - Markdown that mounts real applications MIT ⭐ 69
n8n - Visual workflow automation with code flexibility and AI agents ⭐ 207K
Tiledesk - No-code platform to build AI agents and automate support MIT ⭐ 15
Typebot - Create powerful chatbots without coding ⭐ 11K
Windmill - Open-source workflow automation for developers ⭐ 18K

Remote Desktop & Access

RustDesk - Self-hosted remote desktop you fully control AGPL-3.0 ⭐ 125K

System Cleanup & Optimization

BleachBit - Clean your system and free disk space GPL-3.0 ⭐ 7.1K
Mole - Mac cleaner, app manager, and system monitor in one GPL-3.0 ⭐ 70K
Pearcleaner - Remove Mac apps and all their leftover files ⭐ 15K

Security & Privacy

Identity & Access Management (IAM)

Hanko - Passkeys, SSO, and MFA without vendor lock-in ⭐ 9K
Authentik - Take control of your identity with a secure, flexible solution MIT ⭐ 26K
Authgear - Managed identity and access management for any app Apache-2.0 ⭐ 2.1K
Better Auth - Framework-agnostic authentication for TypeScript applications MIT ⭐ 30K
Cerbos - Secure, policy-based access control for modern applications Apache-2.0 ⭐ 4.6K
Defguard - Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities ⭐ 2.9K
Hexclave - Modular auth, payments, emails, and analytics for your product ⭐ 6.9K
JumpServer - Secure access management for modern IT infrastructure GPL-3.0 ⭐ 32K
Keycloak - Secure authentication and access control made simple Apache-2.0 ⭐ 37K
Logto - Secure, seamless authentication for modern applications MPL-2.0 ⭐ 15K
Ory - A certified and battle-tested identity solution Apache-2.0 ⭐ 14K
Permify - Build scalable authorization in minutes, not months AGPL-3.0 ⭐ 6K
Pocket ID - Passwordless OIDC provider built for self-hosters BSD-2-Clause ⭐ 9.5K
SuperTokens - Secure, customizable authentication for your applications ⭐ 15K
Zitadel - Secure, customizable identity infrastructure for developers AGPL-3.0 ⭐ 15K

Secrets Management

HashiCorp Vault - Secure storage and access control for secrets and sensitive data ⭐ 36K
Infisical - Secure secret management for modern development teams MIT ⭐ 30K
Keyshade - Secure secret management with public key encryption MPL-2.0 ⭐ 770
Phase - Secure, deploy, and manage application secrets effortlessly MIT ⭐ 929
UnKey - Secure, scalable API key management for developers AGPL-3.0 ⭐ 5.5K

Threat Detection & Response

Opengrep - Open-source code security engine for developers LGPL-2.1 ⭐ 3.2K
ProjectDiscovery - Advanced vulnerability detection and management platform MIT ⭐ 32K
Tirreno - Security framework that protects from within your product AGPL-3.0 ⭐ 1.5K
Tracecat - Open source security automation platform for builders AGPL-3.0 ⭐ 3.8K

Data Security & Privacy

Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.9K
Element - Secure, decentralized messaging for teams and individuals AGPL-3.0 ⭐ 14K
Ente - Secure, private photo storage and sharing solution AGPL-3.0 ⭐ 29K
Fluxer - Open source messaging with privacy and community focus AGPL-3.0 ⭐ 11K
Mattermost - Secure collaboration platform for mission-critical work ⭐ 39K
Peergos - Secure, private, and decentralized file storage AGPL-3.0 ⭐ 2.5K
Puter - A full desktop environment that runs in your browser AGPL-3.0 ⭐ 44K
Quiet - Serverless team chat over Tor, no phone number needed GPL-3.0 ⭐ 2.7K
SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 159
Signal - Private messaging with end-to-end encryption AGPL-3.0 ⭐ 29K
Stoat - Group chat for friends and communities, without the baggage ⭐ 3.4K
Tuta - Secure email, calendar and contacts with end-to-end encryption GPL-3.0 ⭐ 8K
Wire - Secure collaboration platform with end-to-end encryption GPL-3.0 ⭐ 2.6K

Application Security

Abby - Type-safe feature flags and remote config for developers AGPL-3.0 ⭐ 166
ALTCHA - Next-Gen CAPTCHA and Spam Protection, GDPR compliant MIT ⭐ 2.8K
Cap - Privacy-first CAPTCHA alternative with proof-of-work Apache-2.0 ⭐ 8K
FeatBit - Open-source feature flag management for seamless deployments MIT ⭐ 1.9K
Featurevisor - Feature management with GitOps for developers MIT ⭐ 812
Flagsmith - Feature flags and remote config for rapid deployment BSD-3-Clause ⭐ 6.6K
Flipt - Git-native feature management for developers GPL-3.0 ⭐ 4.9K
Friendly Captcha - Invisible bot protection that respects user privacy MPL-2.0 ⭐ 37
GrowthBook - Open-source A/B testing and feature flagging platform MIT ⭐ 8.5K
mCaptcha - Privacy-first proof-of-work CAPTCHA without user friction AGPL-3.0 ⭐ 2.5K
OneHuman - Access control for AI agents your customers log in with BUSL-1.1 ⭐ 19
Private Captcha - GDPR-compliant bot protection without user friction ⭐ 197
Procaptcha - Decentralized CAPTCHA for enhanced web security Apache-2.0 ⭐ 302
Unleash - Feature flags for rapid, risk-free software deployment AGPL-3.0 ⭐ 14K

Network Security

Werbot - Secure, scalable server access management for DevOps BUSL-1.1 ⭐ 169

Fraud Prevention

Marble - Real-time fraud detection and AML compliance engine Elastic-2.0 ⭐ 614
Tirreno - Security framework that protects from within your product AGPL-3.0 ⭐ 1.5K

Contributing

Want to add a project? Submit it on OpenAlternative and it will automatically appear here once approved.

Footnotes

Total Projects: 824
Categories: 85
Total Stars: 15M
Last Updated: October 11, 2026

alternatives

awesome

awesome-list

curated-list

foss

free-software

openalternative

open-source

open-source-alternatives

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Significant stargazers

(top 24 of 29)

艾梦

163 followers · starred Jul 2025

Steven Tey

6,147 followers · starred Apr 2024

Connor Rigby

217 followers · starred Mar 2024

Louis Beaumont

512 followers · starred Feb 2026

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piotrkulpinski/open-source-alternatives

README

Awesome Open Source Alternatives

Sponsors

Contents

AI & Machine Learning

AI Development Platforms

AI Security & Privacy

Machine Learning Infrastructure

AI Interaction & Interfaces

Business Software

Marketing & Customer Engagement

Customer Support & Success

E-commerce Platforms

Project & Work Management

Collaboration & Communication

Scheduling & Event Management

Document Management & E-Signatures

Forms & Surveys

Compliance & Risk Management

Human Resources (HR)

Finance & Accounting

CRM & Sales

ERP & Operations

Education

Legal

Community & Social

Social Networking

Community Building Platforms

Content & Publishing

Blogging & Personal Sites

Documentation & Knowledge Base

Content Management Systems (CMS)

Community Platforms

Learning Management Systems (LMS)

Digital Asset Management (DAM)

Publishing

Data & Analytics

Web & Product Analytics

Data Engineering & Integration

Business Intelligence & Reporting

Data Warehousing & Processing

Data Extraction & Web Scraping

Developer Tools

Frameworks & Platforms

Code Analysis & Transformation

Terminals

Build & Deployment

Integration Platforms

API Development & Testing

Testing & Quality Assurance

Version Control & Collaboration

Website Builders

IDEs & Code Editors

AI Assisted Coding

Infrastructure & Operations

Backup & Recovery

Databases

Orchestration & Scheduling

Storage Solutions

Networking & Connectivity

Messaging & Event Streaming

Monitoring & Observability

Search Engines

Cloud Infrastructure Management

Server & VM Management

Miscellaneous

Cryptocurrency & Blockchain

Gaming

Internet of Things (IoT)

Finance & Fintech

Logistics & Supply Chain

Design & Prototyping

Media & Streaming

Photo & Video Editors

Productivity & Utilities

Note Taking & Knowledge Management

Password & Secret Management

Screen Capture & Recording

File Management & Sync