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Top Lean GitHub Repositories (2026) · Open Source Projects

Explore top open source software built primarily with Lean on GitHub. Ranked by live star growth, community adoption, and release activity.

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9 matching projects · updated Nov 12, 2026 How we rank ↗
anthropics
#2 TRENDING anthropics/FlashProve Lean NEW 2026

A research prototype for zero-knowledge proofs of AI inference. Not maintained.

109 ↑ +3 today
TauCetiProject
#4 TRENDING TauCetiProject/TauCeti Lean NEW 2026

An AIs-welcome Lean library downstream of Mathlib: AI handle the implementation and review, humans write the roadmaps and review rubrics

101 ↑ +2 today
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