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Lean

Lean Prover

1.4k 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 9.2k 991

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Showing 10 of 217 repositories

lean4 Public
Lean 4 programming language and theorem prover

leanprover/lean4's past year of commit activity

Lean 9,231 Apache-2.0 991 1,007 (6 issues need help) 654 Updated Sep 20, 2026
downstream-lean4 Public
A collection of packages downstream of Lean 4.

leanprover/downstream-lean4's past year of commit activity

Lean 3 2 0 21 Updated Sep 20, 2026
lean-kernel-arena Public

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

Lean 46 Apache-2.0 34 0 1 Updated Sep 20, 2026
lean4-pr-releases Public
Automated releases from leanprover/lean4 PRs

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

3 3 0 0 Updated Sep 20, 2026
lean4-nightly Public
Nightly builds

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

23 3 0 0 Updated Sep 20, 2026
cslib Public
The Lean Computer Science Library (CSLib)

leanprover/cslib's past year of commit activity

Lean 709 Apache-2.0 200 49 127 Updated Sep 20, 2026
nerodia Public
Write Python modules in Lean! (WIP)

leanprover/nerodia's past year of commit activity

Lean 15 Apache-2.0 0 0 0 Updated Sep 19, 2026
reservoir-index Public
Registry index for Reservoir

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

Lean 8 3 1 0 Updated Sep 19, 2026
lean-eval-submissions Public
Submission pipeline and results store for the lean-eval benchmark (https://github.com/leanprover/lean-eval)

leanprover/lean-eval-submissions's past year of commit activity

Python 6 Apache-2.0 2 10 3 Updated Sep 19, 2026
con-leche Public
An external lean checker with a proof of consistency

leanprover/con-leche's past year of commit activity

Lean 116 Apache-2.0 9 0 0 Updated Sep 19, 2026

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lean4 lean theorem-proving

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