Awesome Flask

A curated list of awesome things related to Flask.

Flask is a lightweight WSGI web application framework written in Python.

Contents

• Third-Party Extensions
  • Admin
  • APIs
  • Auth
  • Cache
  • Data Validation and Serialization
  • Databases
  • Developer Tools
  • Email
  • Forms
  • Full-text Search
  • Security
  • Task Queues
  • Utils
• Resources
  • Official Resources
  • External Resources
  • Community
  • Conferences
  • Meetups
  • Podcasts
  • Tutorials
  • Courses
  • Books
  • Videos
• Hosting
  • PaaS
  • IaaS
  • Serverless
• Projects
  • Boilerplates
  • Open Source Projects

Third-Party Extensions

Admin

• Flask-Admin - Functional admin panel that provides a user interface for managing data based on your models.

APIs

RESTful API Support

• Eve - RESTful API framework designed for human beings.
• Flask-Classful - Adds support for class-based views for setting up RESTful API route endpoints.
• Flask-MongoRest - RESTful API framework wrapped around MongoEngine.
• Flask-RESTful - Quickly build RESTful APIs.

RESTful API + Swagger/OpenAPI Documentation Support

• APIFlask - Integrates marshmallow for validation and serialization, and for OpenAPI generation with Swagger UI.
• Connexion - Open source, OpenAPI-based, REST framework built on top of Flask.
• Flasgger - OpenAPI and Swagger UI. Builds the API from Flasgger models, marshmallow models, dicts, or YAML files.
• Flask-Rebar - Combines Flask, marshmallow, and OpenAPI for robust REST services.
• Flask-RESTX - Community-driven fork of Flask-RESTPlus that makes it easy to build and document RESTful APIs with Flask.
• flask-smorest - Marshmallow's official Flask REST integration. Uses marshmallow models for request/response validation and serialization, and generates OpenAPI with Swagger UI.

Swagger/OpenAPI Documentation Support

• SAFRS: Python OpenAPI & JSON:API Framework - SAFRS, which is an acronym for SqlAlchemy Flask-Restful Swagger, is meant to help developers create self-documenting JSON APIs for SQLAlchemy database objects and relationships.

Auth

Basic Auth and Session-based (for HTML Endpoints)

• Flask-HTTPAuth - Authentication.
• Flask-Login - Account management and authentication.
• Flask Principal - Authorization.
• Flask-Security-Too - Account management, authentication, authorization.
• Flask-Session - Session managment.
• Flask-SimpleLogin - Authentication.
• Flask-User - Account management, authentication, authorization.

Curious about the differences differences between Flask-User and Flask-Security? Review the Flask-User FAQ.

JWT-based (for JSON Endpoints)

• Flask-JWT - Basic support for working with JWTs.
• Flask-JWT-Extended - Advanced support for working with JWTs.
• Flask-JWT-Router - Adds authorized routes to a Flask app.
• Flask-Praetorian - Authentication and authorization for Flask APIs.

OAuth

• Authlib - Library for building OAuth and OpenID clients and servers.
• Authomatic - Framework agnostic library for Python web applications that simplifies authentication and authorization of users via OAuth and OpenID.
• Flask-Dance - OAuth support via OAuthLib.

Cache

• Flask-Caching - Caching support.

Data Validation and Serialization

• Flask-Marshmallow - Thin integration layer for Flask and marshmallow (an object serialization /deserialization library) that adds additional features to marshmallow.
• Flask-Pydantic - Pydantic support.

Databases

ORMs

• Flask-Peewee - Support for Peewee, an ORM and database migration tool.
• Flask-Pony - Support for Pony ORM.
• Flask-SQLAlchemy - Support for SQLAlchemy, a SQL toolkit and ORM.

ODMs

• Flask-MongoEngine - Bridges Flask and MongoEngine for working with MongoDB.
• Flask-PyMongo - Bridges Flask and PyMongo for working with MongoDB.

Migrations

• Flask-Alembic - Configurable Alembic migration environment around a Flask-SQLAlchemy database for handling database migrations.

• Flask-DB - Flask CLI extension that helps you migrate, drop, create and seed your SQL database.
• Flask-Migrate - Handles SQLAlchemy database migrations via Alembic.

Curious about the differences between Alembic, Flask-Alembic, Flask-Migrate, and Flask-DB? Review this item from Flask-DB's FAQ.

Other Tools

• Flask-Excel - Uses pyexcel to read, manipulate, and write data in different Excel formats: csv, ods, xls, xlsx and xlsm.

Developer Tools

Debugging

• Flask-DebugToolbar - Port of Django's debug toolbar for Flask.
• Flask-Profiler - Endpoint analyzer/profiler.

Fixtures

• Flask-Fixtures - Create database fixtures from JSON or YAML.
• Mixer - Object generation tool.

Logging

• Rollbar - Flask error logging with Rollbar.

Monitoring

• Airbrake - Airbrake Flask integration.
• Elastic APM Agent - Elastic APM Flask integration.
• Flask Monitoring Dashboard - Dashboard for automatic monitoring of Flask web-services.
• Sentry Python SDK - Sentry SDK Flask integration.

Tracing

• Flask-OpenTracing - OpenTracing instrumentation.

Testing

• Flask-Testing - Unittest extensions.
• Pytest-Flask - Pytest support for testing Flask applications.

Email

• Flask-Mail - Provides simple email sending capabilities.
• Flask-Mailman - A port of django.mail for Flask.
• Flask-Mail-SendGrid - Provides simple email base on Flask-Mail for sending email by SendGrid.

Forms

• Flask-WTF - Integrates Flask with WTForms (provides CSRF protection as well).

Full-text Search

• flask-msearch - Full-text search.
• Flask-WhooshAlchemy3 - Full-text search + Whoosh indexing capabilities for Flask-SQLAlchemy.
• SQLAlchemy-Searchable - Provides full-text search capabilities for SQLAlchemy models.

Security

• Flask-Argon2 - Provides argon2 hashing utilities.
• Flask-Bcrypt - Provides bcrypt hashing utilities.
• Flask-CORS - Cross Origin Resource Sharing (CORS) handling.
• Flask-SeaSurf - Cross-site request forgery (CSRF) prevention.
• Flask-Talisman - HTTPS and security headers.

Task Queues

• Celery - The most commonly used Python library for handling asynchronous tasks and scheduling.
• Dramatiq - Fast and reliable alternative to Celery.
• Flask-RQ - RQ (Redis Queue) integration.
• Huey - Redis-based task queue that aims to provide a simple, yet flexible framework for executing tasks.

Utils

• Flask-Babel - Support for internationalization (i18n) and localization (l10n).
• Flask-File-Upload - Easy file uploads.
• Flask-FlatPages - Provides flat static pages based on text files.
• Frozen-Flask - Freezes a Flask application into a set of static files.
• Flask-GraphQL - GraphQL support.
• Flask-Injector - Adds support for dependency injection.
• Flask-Limiter - Rate limiting features to Flask routes.
• Flask-Moment - Moment.js date and time formatting helpers for Jinja2 templates.
• Flask-Paginate - Pagination support.
• Flask-Reactize - Hides the Node.js development backend for React behind a Flask application.
• Flask-Shell2HTTP - RESTful/HTTP wrapper for Python's subprocess API, so you can convert any command-line tool into a RESTful API service.
• Flask-Sitemap - Sitemap generation.
• Flask-SocketIO - Socket.IO integration.
• Flask-SSE - Streaming with flask.

Resources

Official Resources

• Project Website - Official Flask website.

• Documentation - Comprehensive documentation for all Flask versions.
• Flaskr Tutorial - Build a basic blog application called Flaskr.
• Source Code - Hosted on GitHub.

External Resources

• Full Stack Python's Flask Page - Explanation of Flask philosophy and links to other resources and tutorials.

• Miguel Grinberg's Blog - Multiple Flask-specific tutorials.

• Nick Janetakis's Blog - Flask Tips, Tricks and Tutorials.

• Patrick Kennedy's Blog - Numerous tutorials on learning Python web application development with Flask.

• RealPython - Many high-quality tutorials on Flask.

• TestDriven.io - Up-to-date tutorials on Flask.

Community

• Discord - Pallets Projects community on Discord (use the #get-help channel for Flask support).
• IRC Channel - Chat with other Flask users on IRC channel #pocoo on FreeNode.
• Mailing List - General discussion of Flask and the Pallets projects ([email protected]).
• Reddit - Flask subreddit.
• Stack Overflow - Questions tagged flask.
• Twitter - For official announcements on updates, security fixes, etc.

Conferences

• FlaskCon - Community driven Flask event intended for speakers and attendees all over the world to participate in technical and evangelical sessions related to Flask.
• PyConWeb - Covers Django, Tornado, Flask, API frameworks. AsyncIO, networking, Frontend, JavaScript, and web security.
• Flask Conf Brazil - Conference for the developers and users of Flask.
• PyCon US - The largest annual gathering for the community using and developing the open-source Python programming language.
• PyCon Australia - National conference organized for the Python Programming Community.
• Euro Python - The largest Python conference in Europe.
• PyCon - Complete listing of all PyCons globally.

Meetups

• Flask - 40+ groups in 20 countries.
• Python Web Development - 600+ groups in 81 countries.
• Python - 2,400+ groups in 100 countries.

Podcasts

• TalkPython - The leading Python podcast with several episodes on Flask.
• Podcast Init - A popular Python podcast that features Flask guests on occasion.
• Python Bytes - Another Python podcast that discusses Flask from time to time.
• Full Stack Python's Best Python Podcasts Page - A list of active Python-specific podcasts.

Tutorials

• Flask Mega-Tutorial - Overarching tutorial for Python beginner and intermediate developers that teaches web development with the Flask framework.
• Flaskr TDD - Intro to Flask, Test-Driven Development (TDD), and JavaScript.
• Make a Web App Using Python & Flask! - Creating a Python Website from the Bottom Up.

Courses

• Developing Web Applications with Python and Flask - This course focuses on teaching the fundamentals of Flask by building and testing a web application using Test-Driven Development (TDD).
• Test-Driven Development with Python, Flask, and Docker - Learn how to build, test, and deploy a production-grade microservice powered by Python, Flask, and Docker.
• Authentication with Flask, React, and Docker - Learn how to add authentication to a Flask and React microservice!.
• Deploying a Flask and React Microservice to AWS ECS - Learn how to deploy microservices to Amazon ECS powered by Flask, React, and Docker.
• Build a SAAS App with Flask - Learn to build web applications with Flask and Docker.
• Full Stack Foundations - Build a data-driven web app with Python.
• Designing RESTful APIs - Build and Secure a backend API server.

Books

• Flask Web Development - Learn the framework from the ground up by developing, step-by-step, a real-world project.
• Real Python - Learn Python programming, by example.
• Explore Flask - Best practices and patterns for developing web applications with Flask.

Videos

• PyVideo
• Practical Flask Web Development Tutorials
• Python Flask Tutorial: Full-Featured Web App
• Discover Flask - Full Stack Web Development with Flask

Hosting

PaaS

(Platforms-as-a-Service)

• Heroku
• PythonAnywhere
• AWS Elastic Beanstalk
• Google App Engine
• Microsoft Azure App Service
• Divio
• Render

IaaS

(Infrastructure-as-a-Service)

• AWS EC2
• Google Compute Engine
• Digital Ocean

• Linode

Serverless

Frameworks:

• Zappa
• Chalice

Compute:

• AWS Lambda
• Google Cloud Functions
• Azure Functions

Projects

Boilerplates

• cookiecutter-flask - With Bootstrap 4, asset bundling annd minification with webpack, starter templates, and registration/authentication.
• Cookiecutter Flask Skeleton - Flask starter project for Cookiecutter.
• Flask-AppBuilder - Simple and rapid application development framework that includes detailed security, auto CRUD generation for your models, Google charts, and much more.
• flask-base - Includes SQLAlchemy, Redis, User Authentication, and more.
• Flask-Bootstrap - Integrated SQLAlchemy, authentication, and Bootstrap frontend.
• flask-htmx-boilerplate - Boilerplate template for a Python Flask application with HTMX and Tailwind CSS.
• uwsgi-nginx-flask-docker - Docker image with uWSGI and Nginx for Flask applications in Python running in a single container.
• React-Redux-Flask - Boilerplate application for a Flask JWT Backend and a React/Redux Front-End with Material UI.
• MVC Flask - You can use the mvc pattern in your flask application using this extension.

Open Source Projects

• ActorCloud - Open-source IoT Platform.
• Airflow
• Busy Beaver - Chicago Python's Community Engagement Slack bot.
• FlaskBB - Classic forum software.
• Indico - Feature-rich event management system, made at CERN.
• Quokka CMS - The happiest CMS in the world.
• PythonBuddy - Online Python Editor with live syntax checking and execution.
• Redash - Designed to enable anyone, regardless of the level of technical sophistication, to harness the power of data big and small.
• SkyLines - Live tracking, flight database, and competition framework.
• Security Monkey - Monitors AWS, GCP, OpenStack, and GitHub orgs for assets and their changes over time.
• SecureDrop - Open-source whistleblower submission system that media organizations can use to securely accept documents from, and communicate with anonymous sources.
• SimpleLogin - Protect your online identity with email alias.
• sr.ht - Git hosting service (check out Why I chose Flask to build sr.ht's mini-services as well).
• Timesketch - Collaborative forensic timeline analysis.

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