#python

Build realtime web, mobile and desktop apps in Python only. No frontend experience required.

MCAP is a modular, performant, and serialization-agnostic container file format, useful for pub/sub and robotics applications.

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

Powerful, efficient particle trajectory analysis in scientific Python.

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

A Grammar of Graphics for Python

Build production-ready AI agents in both Python and Typescript.

Effortlessly compose, extend, and observe every service in real-time for the first time ever.

Pure-Python Git implementation

JSON Web Token implementation in Python

A Jupyter Server Extension Providing Support for Y Documents

Simple and powerful factories for mock data generation

Minimal effort CLIs derived from type hints and parse from command line, config files and environment variables

Shapley Interactions and Shapley Values for Machine Learning

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.

Motor - the async Python driver for MongoDB and Tornado or asyncio

Make awesome display tables using Python

Sparse multi-dimensional arrays for the PyData ecosystem

the blessed package to manage your versions by scm tags

A minimalist production ready plugin system

A Django plugin for pytest.

Collection of library stubs for Python, with static types

Python static typing home. Hosts the documentation and a user help forum.

Rasterio reads and writes geospatial raster datasets

The fastest local AI engine for Apple Silicon. 4.2x faster than Ollama, 0.08s cached TTFT, 100% tool calling. 17 tool parsers, prompt cache, reasoning separation, cloud routing. Drop-in OpenAI replacement. Works with Claude Code, Cursor, Aider.

Automated Integration Testing and Live Documentation for your API

Official type stubs for SciPy

Snowflake SQLAlchemy

Codex/ChatGPT multiple account load balancer & proxy with usage tracking, dashboard, and OpenCode-compatible endpoints