UVLoop
High-performance drop-in replacement for Python's default asyncio event loop, built on libuv for faster asynchronous I/O.
async-runtime-frameworksRecently released
78
Hero Score
Popularity
88
Performance
100
Ecosystem
50
Maturity
85
Dev Experience
68
⭐ 11,910 stars⬇ 61.9M downloads/wkFirst release: Apr 2016Last release: Sep 2026
Async Support: YesPlugin Extensions: MediumSpeed: Very fastDoc Quality: HighLearning Curve: Easy
Pros
- • Significant performance improvement over default asyncio
- • Drop-in replacement with minimal code changes
- • Built on proven libuv event loop
Cons
- • Not supported on Windows
- • Only useful within the asyncio ecosystem
- • Limited control beyond performance optimization