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

No-GIL Python environment featuring NVIDIA Deep Learning libraries.

A simple pytest plugin to run tests concurrently

Thread synchronization utilities for Python

Run Python tests in parallel with free threading

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

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

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

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.

Oodle is a Python package that makes it easier to manage threads.

Custom-built Python 3.14 free-threading binaries for Android ARM64. Built from official CPython source with --disable-gil flag.

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

Github Pages hosting for https://github.com/Quansight-Labs/free-threaded-compatibility

multi-threaded tokenizer benchmark to demonstrate Python 3.14t's free-threading performance improvements

🚀 Enable true multi-threading in Python 3.14 on Android ARM64 with pre-built binaries that disable the Global Interpreter Lock (GIL) for optimal performance.