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Lean

Lean Prover

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  1. lean4 lean4 Public

    Lean 4 programming language and theorem prover

    Lean 9.7k 1.1k

Repositories

Showing 10 of 223 repositories
  • verso Public

    Lean documentation authoring tool

    leanprover/verso's past year of commit activity
    Lean 402 Apache-2.0 129 75 9 Updated Oct 29, 2026
  • lean4 Public

    Lean 4 programming language and theorem prover

    leanprover/lean4's past year of commit activity
    Lean 9,741 Apache-2.0 1,077 1,134 (6 issues need help) 762 Updated Oct 29, 2026
  • downstream-lean4 Public

    A collection of packages downstream of Lean 4.

    leanprover/downstream-lean4's past year of commit activity
    Lean 6 5 0 45 Updated Oct 29, 2026
  • cslib Public

    The Lean Computer Science Library (CSLib)

    leanprover/cslib's past year of commit activity
    Lean 784 Apache-2.0 217 50 161 Updated Oct 29, 2026
  • lean4-nightly Public

    Nightly builds

    leanprover/lean4-nightly's past year of commit activity
    23 3 0 0 Updated Oct 29, 2026
  • downstream-lean4-fork-mathlib4 Public Forked from leanprover-community/mathlib4

    A fork of mathlib4 used by downstream-lean4 to open PRs

    leanprover/downstream-lean4-fork-mathlib4's past year of commit activity
    0 1,824 0 0 Updated Oct 29, 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 Oct 29, 2026
  • lean-beam Public

    Claude/Codex skill and local workflow layer for efficient interaction with Lean 4 and Monte-Carlo Tree Search.

    leanprover/lean-beam's past year of commit activity
    Lean 43 Apache-2.0 5 19 18 Updated Oct 28, 2026
  • lean-workbench Public

    Online Lean Workbench

    leanprover/lean-workbench's past year of commit activity
    TypeScript 11 Apache-2.0 1 39 6 Updated Oct 28, 2026
  • nerodia Public

    Write Python modules in Lean! (WIP)

    leanprover/nerodia's past year of commit activity
    Lean 16 Apache-2.0 0 0 0 Updated Oct 28, 2026
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