Python type checkers

Check Python type annotations before the code runs.

3 tools

Optional static typing for Python

Language: Python
Licence: Other
Stars: 21k
Latest: v2.3.1
Last push: 2026-09-22

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

Language: Python
Licence: MIT
Stars: 20k
Latest: 0.0.83 ✓ signed
Last push: 2026-09-21

Static Type Checker for Python

Language: Python
Licence: Other
Stars: 16k
Latest: 1.1.414
Last push: 2026-09-22