FastAPI-compatible Python framework with Zig HTTP core; 7x faster, free-threading native

Type-driven dependency injection for Python. Fail-fast validation, explicit lifetimes, native integrations for FastAPI, Flask, Django, and more.

A central repository to keep track of the status of work on and support for free-threaded CPython (see PEP 703), with a focus on the scientific and ML/AI ecosystem

Execute Python from Erlang using dirty NIFs with GIL-aware execution, rate limiting, and free-threading support

No-GIL Python environment featuring NVIDIA Deep Learning libraries.

Thread synchronization utilities for Python

A simple pytest plugin to run tests concurrently

High-performance, generalized process pooler and session manager for external language integrations. Orchestrates and supervises languages like Python and Javascript from Elixir.

Run Python tests in parallel with free threading

Physics framework for Python built upon Jolt Physics

Multi-version Python Docker image for research and testing with tox

)彡 Kida — Free-threading template engine for Python 3.14+ with AST compilation and modern syntax

Open-source platform for reproducible AI/ML workflows, from local experimentation to distributed workers and long-lived services.

Demo code for the PyConJP 2025 talk: "Beyond Multiprocessing: A Real-World ML Workload Speedup with Python 3.13+ Free-Threading"

ฅᨐฅ Patitas — CommonMark Markdown parser for Python 3.14+ with typed AST and free-threading

Wheels for polars Python 3.14t

ThreadFactory is a concurrency framework for Python 3.13+ (No-GIL). It provides custom Work future objects and thread-safe collections, laying the foundation for scalable parallel execution in modern Python.

⌁⌁ Chirp — HTML-first web framework for Python 3.14+ with streaming, SSE, and fragment rendering

Run synchronous I/O functions and generators asynchronously using background threads

=^..^= Pounce — Free-threading-native ASGI server for Python 3.14+ with real thread parallelism and streaming-first I/O