The Web framework for perfectionists with deadlines.

The Python programming language

scikit-learn: machine learning in Python

⚡ A Fast, Extensible Progress Bar for Python and CLI

Distributed Task Queue (development branch)

Data validation using Python type hints

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

The official source code repository for the calibre ebook manager

matplotlib: plotting with Python

Optional static typing for Python

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Official repository for IPython itself. Other repos in the IPython organization contain things like the website, documentation builds, etc.

Network Analysis in Python

A next generation HTTP client for Python. 🦋

Create web-based user interfaces with Python. The nice way.

A computer algebra system written in pure Python

Pyodide is a Python distribution for the browser and Node.js based on WebAssembly

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

The little ASGI framework that shines. 🌟

A very fast and expressive template engine.

The Database Toolkit for Python

The Python package installer

A modern Python package and dependency manager supporting the latest PEP standards

Retrying library for Python

Light, flexible and extensible ASGI framework | Built to scale

The Sphinx documentation generator

Modern, extensible Python project management

Build GUI for your Python program with JavaScript, HTML, and CSS

Web based localization tool with tight version control integration.

Virtual Python Environment builder