Awesome Flask

A micro web framework for Python and the extension ecosystem around it.

Tutorials, talks, and videos on this list are free. Paid courses are not accepted.

Contents

• Official Resources
• Extensions
  • Admin
  • APIs
  • Auth
  • Cache
  • Databases
  • Developer Tools
  • Email
  • Forms and Validation
  • Full-text Search
  • Security
  • Task Queues
  • Utils
• Resources
  • Community
  • Tutorials
  • Books
  • Talks
  • Videos
• Projects
  • Boilerplates
  • Open Source Projects
• Hosting

Official Resources

• Flask - Official documentation for current and past releases.
• Flaskr Tutorial - Official tutorial that builds a small blog.
• Source Code - Flask itself, hosted by Pallets.
• Pallets-Eco - Community extensions maintained next to the core projects.
• Quart - Official ASGI counterpart of Flask, with a compatible API.

Extensions

Admin

• Flask-Admin - Extensible admin interface for managing application data.

APIs

• APIFlask - Flask web API framework with marshmallow validation and OpenAPI generation.
• Connexion - Spec-first OpenAPI framework that can run on Flask.
• Eve - REST API framework powered by Flask and MongoDB.
• Flasgger - OpenAPI and Swagger UI for Flask views.
• Flask-Rebar - Flask, marshmallow, and OpenAPI combined for REST services.
• Flask-RESTful - Lightweight helpers for building REST APIs.
• Flask-RESTX - Community fork of Flask-RESTPlus with Swagger documentation.
• flask-smorest - Marshmallow-first REST framework with automatic OpenAPI.

Auth

• Authlib - OAuth 1, OAuth 2, and OpenID Connect clients and servers.
• Authomatic - Framework-agnostic OAuth and OpenID client.
• Flask-Dance - OAuth consumer with built-in providers such as GitHub and Google.
• Flask-HTTPAuth - Basic, digest, and token authentication for routes.
• Flask-JWT-Extended - JWT authentication with refresh tokens and fine-grained claims.
• Flask-Login - Session-based user login management.
• Flask-Praetorian - JWT authentication and role-based authorization for APIs.
• Flask-Pundit - Policy-based authorization inspired by Rails Pundit.
• Flask-Security - Account management, authentication, and authorization. Continues Flask-Security-Too.
• Flask-Session - Server-side sessions for Flask.
• Flask-User - Customizable user registration, login, and account management.

Cache

• Flask-Caching - Caching support with multiple backends.

Databases

• Flask-Alembic - Alembic migrations wired to a Flask-SQLAlchemy database.
• Flask-Migrate - Database migrations for Flask-SQLAlchemy via Alembic.
• Flask-MongoEngine - MongoEngine integration with WTForms support.
• Flask-PyMongo - PyMongo integration for MongoDB.
• Flask-SQLAlchemy - SQLAlchemy integration for Flask.
• Advanced Alchemy - SQLAlchemy companion with repositories, Alembic helpers, and a first-party Flask extension.

Developer Tools

• Elastic APM - Application performance monitoring for Flask.
• Flask-DebugToolbar - In-browser debug toolbar, ported from Django.
• Flask-MonitoringDashboard - Automatic performance monitoring for Flask services.
• Flask-Testing - Unittest helpers for Flask applications.
• Mixer - Object factory for SQLAlchemy and Django models.
• nplusone - Detects N+1 queries when using Flask-SQLAlchemy.
• OpenTelemetry - Tracing and metrics instrumentation, including Flask.
• pytest-flask - Pytest fixtures for Flask applications.
• Sentry - Error tracking SDK with a Flask integration.

Email

• Flask-Mail - SMTP email sending for Flask.
• Flask-Mailman - Port of Django's mail system to Flask.

Forms and Validation

• Flask-Marshmallow - Marshmallow integration for serialization and validation.
• Flask-Pydantic - Pydantic validation for Flask views.
• Flask-WTF - WTForms integration with CSRF, file upload, and reCAPTCHA.

Full-text Search

• flask-msearch - Full-text search for Flask, with Whoosh support.
• SQLAlchemy-Searchable - Full-text search for SQLAlchemy models on PostgreSQL.

Security

• Flask-Bcrypt - Bcrypt password hashing.
• Flask-CORS - Cross-Origin Resource Sharing (CORS) support.
• Flask-Limiter - Rate limiting for Flask routes.
• Flask-SeaSurf - CSRF protection for Flask.
• Flask-Talisman - HTTPS enforcement and security headers.

Task Queues

• Celery - Distributed task queue commonly used with Flask.
• Dramatiq - Fast alternative to Celery, with Flask-Dramatiq available.
• Flask-RQ - Redis Queue (RQ) integration for Flask and Quart.
• Huey - Small Redis-backed task queue.

Utils

• Flask-Assets - Webassets integration for bundling and minifying static files.
• Flask-Babel - Internationalization and localization via Babel.
• Flask-GoogleMaps - Embed Google Maps in Flask templates.
• flask-graphql - GraphQL support for Flask.
• Flask-HTMLmin - HTML minification for Flask responses.
• flask-jsonrpc - JSON-RPC support for Flask.
• Flask-Moment - Moment.js helpers for dates in Jinja templates.
• Flask-Paginate - Pagination helpers for Flask.
• flask-s3 - Serve Flask static assets from Amazon S3.
• Flask-SocketIO - Socket.IO integration for Flask.
• Frozen-Flask - Freezes a Flask app into a static site.

Resources

Community

• Discord - Pallets community server. Use the Flask help channels.
• Reddit - Flask subreddit.
• Stack Overflow - Questions tagged flask.

Tutorials

• The Flask Mega-Tutorial - Long-form series covering a full Flask application.
• Discover Flask - Full-stack Flask series from Real Python.
• Flaskr TDD - Introduction to Flask, test-driven development, and JavaScript.

Books

• Explore Flask - Free book on Flask patterns and project structure.
• Flask Web Development - O'Reilly book by Miguel Grinberg that builds a real application.

Talks

• Advanced Flask Patterns - Patterns from Armin Ronacher.
• Flasky Goodness - Talk by Kenneth Reitz.
• Domain Driven Design with Flask - Applying DDD ideas in Flask.

Videos

• PyVideo - Conference talks tagged Flask.
• Python Flask Tutorial - Full-featured web app series by Corey Schafer.

Projects

Boilerplates

• cookiecutter-flask - Cookiecutter template with Bootstrap, Webpack, and authentication.
• fbone - Classic Flask skeleton with a structured application layout.
• Flask-AppBuilder - Rapid app builder with security, auto CRUD, and charts.
• Flask-Foundation - Best-practice starter application.
• uwsgi-nginx-flask-docker - Docker image with uWSGI, Nginx, and Flask.

Open Source Projects

• Apache Airflow - Platform to author, schedule, and monitor workflows.
• Apache Superset - Data exploration and visualization platform.
• FlaskBB - Classic forum software built with Flask.
• Indico - Event management system developed at CERN.
• PythonBuddy - Online Python editor with live syntax checking.
• Redash - Query and visualize data from many sources.
• SecureDrop - Whistleblower submission system for newsrooms.
• SimpleLogin - Email alias service that protects personal inboxes.
• SkyLines - Live tracking and flight database for gliding.
• Timesketch - Collaborative forensic timeline analysis.

Hosting

• Flask Deployment Options - Official notes on WSGI servers and platforms.
• Fly.io - Deploy Flask close to users on Fly Machines.
• Google Cloud Run - Container hosting that works well with Flask.
• PythonAnywhere - Hosted Python environment with first-class Flask support.
• Render - Web services and background workers for Flask.
• Zappa - Deploy WSGI apps to AWS Lambda and API Gateway.

Contributing

Suggestions are welcome. Please read CONTRIBUTING.md first. Historical and unmaintained entries live in archived.md.