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Lean

Lean Prover

1k followers
https://lean-lang.org/
@leanprover@functional.cafe
@leanprover
company/98362384

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lean4 lean4 Public

Lean 4 programming language and theorem prover

Lean 7.4k 763

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Showing 10 of 83 repositories

lean4-pr-releases Public
Automated releases from leanprover/lean4 PRs

leanprover/lean4-pr-releases’s past year of commit activity

2 3 0 0 Updated Feb 22, 2026
lean4 Public
Lean 4 programming language and theorem prover

leanprover/lean4’s past year of commit activity

Lean 7,372 Apache-2.0 763 846 (6 issues need help) 447 Updated Feb 22, 2026
human-eval-lean Public
Hand-written verified Lean solutions for the HumanEval benchmark

leanprover/human-eval-lean’s past year of commit activity

Lean 28 MIT 8 117 7 Updated Feb 22, 2026
lean4-nightly Public
Nightly builds

leanprover/lean4-nightly’s past year of commit activity

23 3 0 0 Updated Feb 22, 2026
cslib Public
The Lean Computer Science Library (CSLib)

leanprover/cslib’s past year of commit activity

Lean 321 Apache-2.0 71 24 20 Updated Feb 22, 2026
reference-manual Public
The Lean reference manual

leanprover/reference-manual’s past year of commit activity

Lean 100 Apache-2.0 49 102 13 Updated Feb 22, 2026
lean-kernel-arena Public

leanprover/lean-kernel-arena’s past year of commit activity

Python 14 4 0 0 Updated Feb 21, 2026
verso Public
Lean documentation authoring tool

leanprover/verso’s past year of commit activity

JavaScript 254 Apache-2.0 101 56 14 Updated Feb 21, 2026
reservoir-index Public
Registry index for Reservoir

leanprover/reservoir-index’s past year of commit activity

Lean 5 3 0 0 Updated Feb 21, 2026
skills Public
Skills for AIs using the Lean programming language and theorem prover — proofs, toolchain setup, bisection, and more

leanprover/skills’s past year of commit activity

Shell 7 Apache-2.0 0 0 0 Updated Feb 21, 2026

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lean4 lean theorem-proving

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