Authentication

• authlib - JavaScript Object Signing and Encryption draft implementation.
• authlib - JavaScript Object Signing and Encryption draft implementation.

CMS

• indico - A feature-rich event management system, made @ CERN.

Configuration Files

• dynaconf - Dynaconf is a configuration manager with plugins for Django, Flask and FastAPI.

Debugging Tools

• flask-debugtoolbar - A port of the django-debug-toolbar to flask.

ORM

• peewee - A small, expressive ORM.

Projects

Web Security

• secure - HTTP security headers for Python web applications with ASGI and WSGI middleware.

RESTful API

• eve - REST API framework powered by Flask, MongoDB and good intentions.

Serverless Frameworks

• Zappa - A tool for deploying WSGI applications on AWS Lambda and API Gateway.

Testing

• mixer - Another fixtures replacement. Supports Django, Flask, SQLAlchemy, Peewee and etc.

URL Manipulation

• webargs - A friendly library for parsing HTTP request arguments with built-in support for popular web frameworks.

Web APIs

• apiflask - A lightweight Python web API framework based on Flask and Marshmallow.

Web Content Extracting

• toapi - Every web site provides APIs.

Web Frameworks

• flask - A microframework for Python.
• awesome-flask

WebSocket

• flask-socketio - Socket.IO integration for Flask applications.