Let your Python tests travel through time

The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.

itertools and builtins for AsyncIO and mixed iterables

Take a modern Python codebase to the next level of performance.

Rapid fuzzy string matching in Python using various string metrics

a little task queue for python

Computing with Python functions.

DSPy: The framework for programming—not prompting—language models

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

Parallel computing with task scheduling

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

A pure Python HTML5 parser that just works. No C extensions to compile. No system dependencies to install. No complex API to learn.

A task runner that works well with poetry or uv.

An extremely fast Python type checker and language server, written in Rust.

A minimal, secure Python interpreter written in Rust for use by AI