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Lean

Lean Prover

1.1k 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 7.7k 807

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Showing 10 of 85 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 Apr 2, 2026
reference-manual Public
The Lean reference manual

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

Lean 105 Apache-2.0 51 104 16 Updated Apr 2, 2026
lean4 Public
Lean 4 programming language and theorem prover

leanprover/lean4’s past year of commit activity

Lean 7,724 Apache-2.0 807 889 (6 issues need help) 486 Updated Apr 2, 2026
verso Public
Lean documentation authoring tool

leanprover/verso’s past year of commit activity

Lean 282 Apache-2.0 102 54 19 Updated Apr 2, 2026
cslib Public
The Lean Computer Science Library (CSLib)

leanprover/cslib’s past year of commit activity

Lean 464 Apache-2.0 109 31 46 Updated Apr 2, 2026
lean4-nightly Public
Nightly builds

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

23 3 0 0 Updated Apr 2, 2026
lean-kernel-arena Public

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

Lean 23 9 0 1 Updated Apr 2, 2026
vscode-lean4 Public
Visual Studio Code extension for the Lean 4 proof assistant

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

TypeScript 266 Apache-2.0 90 45 (1 issue needs help) 9 Updated Apr 2, 2026
verso-slides Public

leanprover/verso-slides’s past year of commit activity

Lean 6 Apache-2.0 0 2 0 Updated Apr 1, 2026
doc-gen4 Public
Document Generator for Lean 4

leanprover/doc-gen4’s past year of commit activity

Lean 143 Apache-2.0 62 27 (2 issues need help) 5 Updated Mar 31, 2026

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lean4 lean theorem-proving

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