pyrefly

github.comtool

A fast type checker and language server for Python.

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Python, Beginner-Friendly Projects, Typing

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2026-10-10

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Python › Projects > Code Analysis: “A fast type checker and language server for Python.”

Beginner-Friendly Projects › Rust: “(label: good first issue) A fast Python typechecker and IDE written in Rust.”

Typing › Static type checkers: “A fast type checker and language server for Python.”