Awesome Gleam

For a full list of packages check out the Gleam package index.

Have a Gleam project to share with the world? Add a file in packages/ and run gleam run.

Looking for something to build? Check out the suggestions list.

• Packages
  • API Clients
  • Benchmarking
  • Build Tooling
  • Command Line
  • Configuration
  • Cryptography
  • Data Structures
  • Databases
  • Email
  • Erlang and OTP
  • Error Handling
  • File System
  • Formats
  • Frontend
  • Gleam
  • Graphics
  • HTML
  • HTTP
  • HTTP Clients
  • HTTP Servers
  • JSON
  • JavaScript
  • Logging and Monitoring
  • Machine Learning
  • Networking
  • Numbers
  • Parsing
  • Project Tooling
  • Push Notifications
  • Queues and Job Processing
  • Randomness
  • SDKs
  • Standards
  • TUI
  • Templating
  • Testing
  • Text
  • Time
  • Validation
  • Web frameworks
  • Websites
• Projects
  • Compilers
  • Web applications
  • Network applications
• Tools
  • Editor support
• Resources
  • Websites
  • Courses
  • Social Media

Packages

API Clients

• aws4_request - 📚 - An AWS Signature Version 4 client implementation, used for S3 auth, etc
• discord_gleam - 📚 - A library to create discord bots in gleam
• flwr_oauth2 - 📚 - An OAuth 2.0 Library based on Gleam types
• glatus - 📚 - Gleam bindings to the API of the Gatus health check tool
• gleam_hexpm - 📚 - Gleam dynamic decoders for the API of Hex, the package manager for the BEAM ecosystem.
• glevatar - 📚 - Easily create Gravatar URLs in Gleam
• tallgrass - 📚 - Gleam wrapper for the PokeAPI.
• telega - 📚 - A Gleam library for the Telegram Bot API with HTTP-based APIs, client implementation, wisp adapter, session bot, and conversation support

Benchmarking

• gleamy_bench - 📚 - A library for benchmarking gleam code.
• glychee - 📚 - Glychee: Easy access to Elixir's Benchee from Gleam!

Build Tooling

• esgleam - 📚 - esbuild for Gleam
• gleamdoc - 📚 - Sparse, terminal-first documentation lookup for Gleam packages
• gleescript - 📚 - Bundle your Gleam-on-Erlang project into an escript, a single executable file!

Command Line

• argv - 📚 - A cross platform library for getting the command line arguments
• clip - 📚 - A CLI Option Parser for Gleam
• gleam_community_ansi - 📚 - ANSI colours, formatting, and control codes
• glint - 📚 - Gleam command line argument parsing with basic flag support.
• glitzer - 📚 - Progress bars for gleam.
• rad - 📚 - A task runner for Gleam projects
• shellout - 📚 - A Gleam library for cross-platform shell operations
• spinner - 📚 - Animated progress spinners for your console
• stdin - 📚 - Provides a synchronous iterator for consuming stdin. It supports all the non-browser targets, Erlang, Node, Deno, and Bun.

Configuration

• dot_env - 📚 - Load environment variables from files
• dotenv_gleam - 📚 - dotenv for Gleam
• envoy - 📚 - A zero dependency cross platform Gleam package for reading environment variables
• glenv - 📚 - A library for type-safe environment variable access.
• glenvy - 📚 - A pleasant way to interact with your environment.
• k9_gleam - 📚 - Parser and renderer for K9 (Self-Validating Components), configuration with trust levels and Nickel contracts

Cryptography

• acumen - 📚 - ACME client for certificate management with Let's Encrypt and other ACME servers
• argus - 📚 - Argon2 password hashing library for Gleam, based on the reference C implementation.
• beecrypt - 📚 - Buzzing Gleam bindings to the Erlang bcrypt hashing library
• gleam_crypto - 📚 - A Gleam cryptography library supporting Erlang and JavaScript
• ids - 📚 - Unique IDs for Gleam
• kmh - 📚 - Implementation of Knuth’s multiplicative hashing (useful for ID obfuscation, etc.)
• kryptos - 📚 - Comprehensive cryptography with AEAD ciphers, key derivation, and digital signatures for Erlang and JavaScript
• youid - 📚 - Generate and parse UUIDs

Data Structures

• act - 📚 - Compose stateful actions to simulate mutable state
• argamak - 📚 - A tensor library for the Gleam programming language
• delay - 📚 - A dead simple data-structure for delaying side effects
• gleam_stdlib - 📚 - A standard library for the Gleam programming language
• gleam_zlists - 📚 - A library for working with lazy lists in Gleam
• gleamy_structures - 📚 - Data structures in pure Gleam! Including tree, heap, non empty list, map, set, and priority queue.
• glearray - 📚 - Immutable arrays for Gleam
• gleither - 📚 - A small data-structure for representing an Either Monad
• iv - 📚 - A fast, safe, batteries-included array for Gleam!
• non_empty_list - 📚 - Non-empty lists in Gleam
• tote - 📚 - Bags (or multisets) in Gleam
• trie_again - 📚 - Tries in Gleam

Databases

• cake - 📚 - An SQL query builder for dialects PostgreSQL, SQLite, MariaDB, and MySQL
• migrant - 📚 - Database migrations for SQLite in Gleam
• mungo - 📚 - A MongoDB driver for Gleam (formerly gleam_mongo)
• parrot - 📚 - 🦜 type-safe SQL in gleam via sqlc
• pog - 📚 - A PostgreSQL database client for Gleam, based on PGO
• radish - 📚 - A Redis client for Gleam
• sqlight - 📚 - Use SQLite from Gleam!
• squirrel - 📚 - 🐿️ Type safe SQL in Gleam
• storail - 📚 - A simple on-disc JSON based data store
• valkyrie - 📚 - A lightweight, performant Redis-compatible client for Gleam

Email

• gcourier - 📚 - Send emails from Gleam using SMTP
• gleam_sendgrid - 📚 - Send emails from Gleam with SendGrid
• plunk - 📚 - A Gleam library to send emails, manage contacts etc. using the Plunk API
• zeptomail - 📚 - A wrapper for ZeptoMail's transactional email API

Erlang and OTP

• Eventsourcing - 📚 - A Gleam library for building event-sourced systems with Actors and Supervisors
• barnacle - 📚 - Self-healing clusters for Gleam applications on the BEAM
• bath - 📚 - A generic resource pool
• carpenter - 📚 - Bindings for Erlang's ETS tables. Forked and updated from gts.
• chip - 📚 - A Gleam registry library
• gen_core_erlang - 📚 - Generate Core Erlang from Gleam (wraps the Erlang cerl compiler module)
• gleam_erlang - 📚 - A Gleam library for working with Erlang
• gleam_otp - 📚 - Fault tolerant multicore Gleam programs with OTP
• lifeguard - 📚 - A simple actor pool
• nessie_cluster - 📚 - A small DNS clustering library for Gleam applications.
• process_waiter - 📚 - Wait for Erlang processes to exit
• puddle - 📚 - A resource pool manager for gleam
• shakespeare - 📚 - General-purpose OTP actors.
• spectator - 📚 - A BEAM runtime observer tool

Error Handling

• exception - 📚 - A tiny package for dealing with exceptions
• snag - 📚 - A boilerplate-free ad-hoc error type

File System

• file_streams - 📚 - Gleam library that provides access to native Erlang binary file streams.
• filepath - 📚 - Work with file paths in Gleam!
• simplifile - 📚 - Basic file operations that work on all targets

Formats

• a2ml_gleam - 📚 - Parser and renderer for A2ML (Attested Markup Language), an AI agent identity and attestation format
• commonmark - 📚 - CommonMark implementation for Gleam, for the BEAM or JS
• cymbal - 📚 - Build YAML in Gleam!
• gsv - 📚 - A simple csv parser and generator written in gleam
• iso_8859 - 📚 - Gleam library to decode ISO/IEC 8859 binary data into native UTF-8 strings.
• jot - 📚 - A parser for Djot, a markdown-like language
• mork - 📚 - A Markdown (CommonMark/GFM/OFM) parser in pure Gleam
• tom - 📚 - A pure Gleam TOML parser!
• xmb - 📚 - A tiny XML builder for Gleam

Frontend

• glailglind - 📚 - Gleam modules and functions for installing and invoking TailwindCSS
• grille_pain - 📚 - Toaster, made in lustre, for gleam
• lustre - 📚 - An Elm-inspired framework for building web apps in Gleam!
• lustre_animation - 📚 - Animations for lustre, utilizing JS requestAnimationFrame and setTimeout
• lustre_http - 📚 - HTTP requests from lustre
• lustre_ui - 📚 - A collection of components and design tokens for building Lustre apps.
• lustre_virtual_list - 📚 - A virtual list component for lustre.
• lustre_websocket - 📚 - Web Socket requests from lustre
• redraw - 📚 - React bindings for Gleam! Supports everything modern React provides, with full Gleam Type-Checking system!
• sketch - 📚 - A CSS-in-Gleam package, made to work with frontend, and directly with lustre!
• tardis - 📚 - Time traveller debugger, tailor-made for Lustre
• tiramisu - 📚 - A type-safe 3D game engine for Gleam

Gleam

• glance - 📚 - A Gleam source code parser, in Gleam!
• glance_printer - 📚 - A pretty_printer for the glance AST
• gleam_package_interface - 📚 - Work with Gleam's package interfaces
• glexer - 📚 - A lexer for Gleam source code
• pprint - 📚 - Pretty print values with style!

Graphics

• ansel - 📚 - A simple and fast vips image processing library for Gleam!
• gleam_community_colour - 📚 - Colour types, conversions, and other utilities

HTML

• formal - 📚 - Type safe HTML form decoding and validation!
• glentities - 📚 - HTML entity encoder/decoder for Gleam
• houdini - 📚 - 🪄 Fast HTML escaping
• htmb - 📚 - A tiny HTML builder for Gleam
• htmgrrrl - 📚 - Gleam bindings to htmerl, the fast and memory efficient Erlang HTML SAX parser.
• nakai - 📚 - HTML generation for Gleam, on the server or anywhere else
• odysseus - 📚 - UN-escaping HTML

HTTP

• cors_builder - 📚 - A CORS Builder, performing validation and injection of CORS for misp, wisp and any framework!
• gleam_http - 📚 - Types and functions for Gleam HTTP clients and servers

HTTP Clients

• gleam_fetch - 📚 - Make HTTP requests in Gleam JavaScript with Fetch
• gleam_hackney - 📚 - Gleam bindings to the Hackney HTTP client
• gleam_httpc - 📚 - Gleam bindings to Erlang's built in HTTP client, httpc

HTTP Servers

• cgi - 📚 - Common Gateway Interface (CGI) in Gleam
• ewe - 📚 - 🐑 a fluffy Gleam web server
• gleam_elli - 📚 - Run Gleam HTTP services with the Elli web server
• mist - 📚 - a misty Gleam web server

JSON

• gleam_json - 📚 - Work with JSON in Gleam
• json_typedef - 📚 - Work with JSON using a schema! RFC8927
• squirtle - 📚 - A JSON Patch (RFC 6902) implementation in Gleam

JavaScript

• conversation - 📚 - Gleam bindings for the standard JavaScript Request and Response APIs
• gleam_javascript - 📚 - Work with JavaScript types and values in Gleam
• javascript_dom_parser - 📚 - Bindings to the JavaScript DOMParser API
• plinth - 📚 - Bindings to Node.js and browser platform APIs

Logging and Monitoring

• glimt - 📚 - A Gleam library for logging
• glog - 📚 - A Gleam implementation of Erlang logger
• logging - 📚 - Configuration for the Erlang logger
• stacky - 📚 - Stacky ☆ BEAM stack trace in Gleam
• systemd_status - 📚 - Inspect the status of running systemd units

Machine Learning

• emel - 📚 - Turn data into functions in the Erlang ecosystem
• gleam_synapses - 📚 - A plug-and-play library for neural networks written in Gleam

Networking

• ftpasta - 📚 - A simple to use wrapper around Erlang's built-in ftp module.
• glisten - 📚 - a shiny Gleam TCP/SSL server
• mug - 📚 - A TCP client for Gleam!
• nessie - 📚 - Gleam bindings for Erlang's built-in DNS resolution modules.

Numbers

• bigdecimal - 📚 - Arbitrary precision decimal arithmetic for Gleam
• bigi - 📚 - Arbitrary precision integer arithmetic for Gleam
• gleam_community_maths - 📚 - A basic maths library
• vec - 📚 - A vectors library for the Gleam programming language

Parsing

• gleamsver - 📚 - Comprehensive set of native Gleam utilities for handling SemVer 2.0.0 version strings.
• nibble - 📚 - A string parsing library heavily inspired by elm/parser.
• stoiridh_version - 📚 - Semantic Versioning 2.0.0

Project Tooling

• cactus - 📚 - A tool for managing git lifecycle hooks with ✨ gleam! Pre commit, Pre push and more!
• go_over - 📚 - A tool to audit Erlang & Elixir dependencies, to make sure your gleam projects really sparkle! ✨
• hexdocs_offline - 📚 - Download an offline version of the hexdocs of your projects dependencies to a local folder!

Push Notifications

• webpush - 📚 - Web Push API library for Gleam, supports encryption and VAPID
• wimp - 📚 - A Gleam client for the Pushover push notification API

Queues and Job Processing

• Carotte - 📚 - A RabbitMQ client for Gleam
• Franz - 📚 - A Kafka client for Gleam
• m25 - 📚 - A background job library for Gleam and Postgres!

Randomness

• blah - 📚 - fake data generation for gleam
• minigen - 📚 - Pure random data generation, appropriate for realistic simulations
• prng - 📚 - A Pure Random Number Generator

SDKs

• bucket - 📚 - Gleam S3 API client, suitable for AWS S3, Garage, Minio, Storj, Backblaze B2, Cloudflare R2, Ceph, Wasabi, and so on!
• openfeature - 📚 - The Gleam SDK for the OpenFeature specification.
• weapp - 📚 - Gleam bindings for wechat miniprogram, a.k.a weapp
• wechat_dev_tools - 📚 - Tools to develop wechat miniprogram in gleam

Standards

• dime - 📚 - A ISO-4217 currency library for Gleam
• glisbn - 📚 - A ISBN utility library for Gleam.
• marceau - 📚 - A MIME types library for Gleam
• phony - 📚 - An international phone number validator
• thirtytwo - 📚 - Base32 encoding and decoding

TUI

• etch - 📚 - Gleam terminal backend library

Templating

• glemplate - 📚 - A simple template engine for Gleam
• handles - 📚 - Pure Gleam templating language inspired by Mustache and Handlebars.js

Testing

• birdie - 📚 - Snapshot testing in Gleam
• exercism_test_runner - 📚 - A test framework for Gleam exercises on Exercism
• gleeunit - 📚 - Gleam bindings to Erlang's EUnit test framework
• testbldr - 📚 - A library for programatically building and running test cases
• testcontainers_gleam - 📚 - Gleam TestContainers wrapper around Elixir TestContainers
• unitest - 📚 - A test runner with random ordering, tagging, and CLI filtering

Text

• dedent - 📚 - Remove shared indentation from a string
• edit_distance - 📚 - A pure Gleam package to compute the edit distance of two strings
• g18n - 📚 - A platform-agnostic internationalization library for Gleam.
• gap - 📚 - A Gleam library for comparing strings/lists and producing a textual (styled) representation of the differences.
• glam - 📚 - A package to help you easily pretty print structured data
• hug - 📚 - Helpful and pretty CLI messages
• humanise - 📚 - Easily format values for human readability!
• justin - 📚 - Convert between snake_case, camelCase, and other cases in Gleam
• phonetic_gleam - 📚 - A collection of gleam algorithms dealing with phonetics.
• punycode - 📚 - Gleam implementation of punycode encoding and decoding
• rank - 📚 - Ordinals for numbers, e.g. 1st, 2nd, 3rd
• str - 📚 - Unicode-aware string utilities for Gleam
• wink - 📚 - A simple Gleam box drawing library

Time

• Clockwork - 📚 - A cron expression parser library for Gleam
• birl - 📚 - Date / Time handling for Gleam
• gleam_time - 📚 - Work with time in Gleam!
• gtempo - 📚 - A lightweight and Gleamy datetime library!
• gtz - 📚 - A timezone data provider for Gleam!
• rada - 📚 - A library for dates with no times or time zones

Validation

• crossbar - 📚 - Data validation library in pure Gleam
• valid - 📚 - A composable validation library for Gleam

Web frameworks

• glen - 📚 - A peaceful web framework that targets JS.
• glimr - 📚 - A batteries-included web framework for Gleam
• wisp - 📚 - A practical web framework for Gleam

Websites

• atomb - 📚 - An Atom feed builder for Gleam
• blogatto - 📚 - A framework for building static blogs with Lustre and Markdown
• lustre_ssg - 📚 - A simple static site generator for Lustre projects.

Projects

Compilers

Compilers for Gleam and compilers written in Gleam.

• gleam-lang/gleam - The Gleam compiler.
• gleam-lang/example-lisp-interpreter - A toy Lisp interpreter in Gleam.

Web applications

Web applications written in Gleam.

• gleam-lang/example-echo-server - An example Gleam web application.
• gleam-lang/example-todomvc - A serverside implementation of TodoMVC written in Gleam!
• gleam-lang/packages - The Gleam package index website.
• aosasona/jsorm - A minimal JSON explorer in Gleam + HTMX.
• ghivert/gloogle - A search engine for the Gleam ecosystem, built in Lustre + Wisp.
• ryanmiville/lustre-todomvc - A Lustre clientside implementation of TodoMVC written in Gleam!
• losfair/acquire - A multiplayer board game written in Gleam.

Network applications

Network applications/servers written in Gleam

• raineycat/gftp - A Gleam FTP server, using Erlang/OTP
• zwubs/betamine - A Minecraft server written in Gleam

Tools

• inoas/glychee - A simple Gleam benchmark runner which wraps Benchee for the heavy lifting.
• tynanbe/rad - A flexible task runner companion for the Gleam build manager.
• jonasgruenwald/spectator - A BEAM runtime observer tool

Editor support

• gleam-lang/gleam.vim - Gleam support for Vim/Neovim.
• gleam-lang/gleam-mode - An emacs major mode for the Gleam programming language.
• gleam-lang/vscode-gleam - Gleam support for VS Code.
• digitalcora/sublime-text-gleam - Gleam support for Sublime Text.
• sbdchd/neoformat - A Vim/Neovim plugin for formatting code with support for gleam format.
• itsgreggreg/language-gleam - Gleam language support in Atom.
• DannyLettuce/gleam_gedit - Gleam syntax support for Gedit (and other GtkSourceView editors).
• 0riginaln0/lite-xl-gleam - Gleam theme and syntax highlighting for Lite XL.

Resources

Websites

Websites with Gleam related content.

• gleam.run - Gleam's website.
• tour.gleam.run - Gleam's interactive tour and tutorial.
• gleamweekly.com - A weekly newsletter of handpicked articles and community news.
• gloogle.run - A search engine for the Gleam ecosystem.

Courses

• Exercism's Gleam track - Crowd-sourced code mentorship. Practice having thoughtful conversations about code.
• tanklesxl/gladvent - An Advent of Code runner for Gleam, targeting Erlang.

Talks

• Introduction to Gleam - Harry Bairstow
• Distributed music programming with Gleam, BEAM, and the Web Audio API - Hayleigh Thompson
• I learned Gleam in a week. Here's how it went - Theo Harris

Social Media

Twitter

• #gleamlang hashtag
• @gleamlang - The official twitter account.
• @louispilfold - The creator of Gleam.

Reddit

• r/gleamlang