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Awesome Flask – Massive Collection of Resources

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A curated list of awesome things related to Flask.

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


Third-Party Extensions


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


RESTful API Support

RESTful API + Swagger/OpenAPI Documentation Support

Swagger/OpenAPI Documentation Support


Basic Auth and Session-based (for HTML Endpoints)

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

JWT-based (for JSON Endpoints)


  • 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.


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-PydanticPydantic support.





  • 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



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


  • Rollbar – Flask error logging with Rollbar.





  • Flask-Mail – Provides simple email sending capabilities.


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

Full-text Search


Task Queues

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



Official Resources

External Resources


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


  • 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.






  • 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.












  • cookiecutter-flask – With Bootstrap 4, asset bundling annd minification with webpack, starter templates, and registration/authentication.
  • Cookiecutter Flask Skeleton – Flask starter project for Cookiecutter.
  • gae-init – For starting new applications on Google App Engine.
  • 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.
  • 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.
  • Flask-Scaffold – Prototype Database driven Web apps in Angular 6, Bootstrap 4 and REST API’s with Flask.
  • Flask-VueJS – Connect Flask application with VueJS.

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.
  • – Git hosting service (check out Why I chose Flask to build’s mini-services as well).
  • Timesketch – Collaborative forensic timeline analysis.

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