Free Threading Python Packages

pytest-run-parallel

A simple pytest plugin to run tests concurrently

wireup

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

turbohtml

A fast, fully typed HTML toolkit for Python. Escape, unescape, parse, select, and serialize HTML from one library, powered by a C-accelerated core.

cereggii

Thread synchronization utilities for Python

peregrine-server

Drop-in ASGI/WSGI server for Python, written in Swift. FastAPI ~1.5x uvicorn, Flask ~2.3x. HTTP/1.1, HTTP/2, HTTP/3, WebSocket, WebTransport.

turboapi

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

culverin

Physics engine bridge for Python built upon Jolt Physics

kida-templates

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

django-aiodrf

Async-native views, serializers and policies for Django REST framework. Extends DRF's classes and keeps its contracts: migrate endpoints incrementally.

ftcheck

Find free-threading bugs in Rust/PyO3 Python extensions: data races, crashes and hangs that only appear without the GIL. Runs your own tests across threads under ThreadSanitizer, plus a static lint and a stress mode.

dexpot

A synchronous Python API framework with adaptive GIL and free-threaded execution.

bengal-pounce

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

bengal-chirp

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

multiloop

Multi-Event-Loop Engine & Concurrency Toolkit for Python 3.14t (Free-Threaded / No-GIL)

patitas

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

athreading

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

dynamic-config-py

Hot-reloadable configuration for Python: Rust resolves, your schema validates — dataclasses, Pydantic or msgspec, with a watcher and a last-known-good cache.

dynamic-config-py-remote

Hot-reloadable configuration for Python: Rust resolves, your schema validates — dataclasses, Pydantic or msgspec, with a watcher and a last-known-good cache.

rayo

The web framework for free-threaded Python — Rust core, Python surface.

free-threading

Thread-first true parallelism for Python

alenia-zenith

Zero-latency boot infrastructure for Python 3.14+ utilizing speculative dependency pre-loading and free-threading.

wrtc

Chrome's WebRTC engine (libwebrtc M152), with the browser API, in Python

d-safelogger

Zero-dependency, stdlib-compatible Python logger with append-only routing, integrity sidecars, and multiprocess delivery-state observability.

smalldi

Tiny, zero-dependency DI for Python. Decorators register singletons and interfaces, Provide[T] type hints inject them, overrides swap implementations, and scoped contexts give every test fresh instances. Thread-safe and tested on free-threaded CPython 3.14t/3.15t.