Repositories list

• lean4

  Public

  leanprover/lean4’s past year of commit activity
  Lean 4 programming language and theorem prover

  leanlean4

  leanlean4

  Lean

  •

  Apache License 2.0

  •819819 forks•7.8k7.8k stars•900900 issues•509509 pull requests•Updated Apr 14, 2026Apr 14, 2026

• lean4-pr-releases

  Public

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

  33 forks•22 stars•00 issues•00 pull requests•Updated Apr 14, 2026Apr 14, 2026

• vscode-lean4

  Public

  leanprover/vscode-lean4’s past year of commit activity
  VS Code extension for the Lean 4 programming language and theorem prover

  vscodelean

  vscodelean

  TypeScript

  •

  Apache License 2.0

  •9292 forks•270270 stars•4747 issues•1313 pull requests•Updated Apr 14, 2026Apr 14, 2026

• reference-manual

  Public

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

  Lean

  •

  Apache License 2.0

  •5252 forks•108108 stars•105105 issues•1616 pull requests•Updated Apr 14, 2026Apr 14, 2026

• verso-web-components

  Public

  leanprover/verso-web-components’s past year of commit activity
  A collection of reusable components from the Lean website designed build related sites with the same look and feel.

  Lean

  •

  Apache License 2.0

  •00 forks•33 stars•00 issues•11 pull request•Updated Apr 14, 2026Apr 14, 2026

• cslib

  Public

  leanprover/cslib’s past year of commit activity
  The Lean Computer Science Library (CSLib)

  computer-sciencelean

  computer-sciencelean

  Lean

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  Apache License 2.0

  •119119 forks•480480 stars•3030 issues•5656 pull requests•Updated Apr 14, 2026Apr 14, 2026

• lean-kernel-arena

  Public

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

  •99 forks•2323 stars•00 issues•11 pull request•Updated Apr 14, 2026Apr 14, 2026

• verso

  Public

  leanprover/verso’s past year of commit activity
  Lean documentation authoring tool

  Lean

  •

  Apache License 2.0

  •105105 forks•304304 stars•5555 issues•2222 pull requests•Updated Apr 14, 2026Apr 14, 2026

• lean4-nightly

  Public

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

  33 forks•2323 stars•00 issues•00 pull requests•Updated Apr 14, 2026Apr 14, 2026

• verso-slides

  Public

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

  •

  Apache License 2.0

  •00 forks•66 stars•22 issues•00 pull requests•Updated Apr 14, 2026Apr 14, 2026

• illuminate

  Public

  leanprover/illuminate’s past year of commit activity
  Lean

  •

  Apache License 2.0

  •00 forks•11 star•00 issues•00 pull requests•Updated Apr 14, 2026Apr 14, 2026

• reservoir

  Public

  leanprover/reservoir’s past year of commit activity
  Package registry for Lean/Lake.

  Vue

  •

  Apache License 2.0

  •77 forks•4545 stars•99 issues•22 pull requests•Updated Apr 13, 2026Apr 13, 2026

• radar

  Public

  leanprover/radar’s past year of commit activity
  "Do you know how fast you were going?"

  Java

  •11 fork•77 stars•00 issues•11 pull request•Updated Apr 13, 2026Apr 13, 2026

• doc-gen4

  Public

  leanprover/doc-gen4’s past year of commit activity
  Document Generator for Lean 4

  lean4

  lean4

  Lean

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  Apache License 2.0

  •6262 forks•144144 stars•2828 issues•66 pull requests•Updated Apr 13, 2026Apr 13, 2026

• SampCert

  Public
  SampCert : Verified Differential Privacy

  Lean

  •

  Apache License 2.0

  •1616 forks•9494 stars•44 issues•44 pull requests•Updated Apr 12, 2026Apr 12, 2026

• subverso

  Public

  leanprover/subverso’s past year of commit activity
  Lean

  •

  Apache License 2.0

  •99 forks•77 stars•33 issues•00 pull requests•Updated Apr 11, 2026Apr 11, 2026

• lean-action

  Public

  leanprover/lean-action’s past year of commit activity
  GitHub action for standard CI in Lean projects

  leangithub-actionslean4

  leangithub-actionslean4

  Shell

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  Apache License 2.0

  •1717 forks•3232 stars•1010 issues•1313 pull requests•Updated Apr 10, 2026Apr 10, 2026

• leansqlite

  Public

  leanprover/leansqlite’s past year of commit activity
  SQLite bindings for Lean

  C

  •

  Apache License 2.0

  •11 fork•4242 stars•11 issue•00 pull requests•Updated Apr 8, 2026Apr 8, 2026

• verso-templates

  Public

  leanprover/verso-templates’s past year of commit activity
  Templates for getting started with Verso

  Lean

  •22 forks•1818 stars•00 issues•00 pull requests•Updated Apr 8, 2026Apr 8, 2026

• Pantograph

  Public

  leanprover/Pantograph’s past year of commit activity
  (Mirror) A Machine-to-Machine Interaction System for Lean 4

  machine-learningtheorem-provingproof-assistant+ 1

  machine-learningtheorem-provingproof-assistantlean4

  Lean

  •

  Apache License 2.0

  •1212 forks•6060 stars•00 issues•00 pull requests•Updated Apr 4, 2026Apr 4, 2026

• lean4export

  Public

  leanprover/lean4export’s past year of commit activity
  Plain-text declaration export for Lean 4

  Lean

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  Apache License 2.0

  •1818 forks•2929 stars•11 issue•22 pull requests•Updated Apr 2, 2026Apr 2, 2026

• comparator

  Public

  leanprover/comparator’s past year of commit activity
  Lean

  •44 forks•5757 stars•66 issues•44 pull requests•Updated Apr 2, 2026Apr 2, 2026

• lean4-cli

  Public

  leanprover/lean4-cli’s past year of commit activity
  A Lean 4 library for configuring Command Line Interfaces and parsing command line arguments.

  clileanlean4

  clileanlean4

  Lean

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  MIT License

  •2323 forks•105105 stars•11 issue•22 pull requests•Updated Apr 2, 2026Apr 2, 2026

• radar-bench-mathlib4

  Public

  leanprover/radar-bench-mathlib4’s past year of commit activity
  Radar benchmarking for mathlib4

  Python

  •00 forks•11 star•00 issues•00 pull requests•Updated Mar 30, 2026Mar 30, 2026

• reservoir-index

  Public
  Registry index for Reservoir

  Lean

  •33 forks•66 stars•00 issues•00 pull requests•Updated Mar 30, 2026Mar 30, 2026

• human-eval-lean

  Public
  Hand-written verified Lean solutions for the HumanEval benchmark

  Lean

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  MIT License

  •99 forks•2828 stars•6868 issues•99 pull requests•Updated Mar 27, 2026Mar 27, 2026

• lean4web

  Public
  CSS

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  Apache License 2.0

  •5151 forks•00 stars•00 issues•22 pull requests•Updated Mar 26, 2026Mar 26, 2026

• KLR

  Public
  A formalization of ML kernel languages

  C

  •

  Apache License 2.0

  •1212 forks•4747 stars•77 issues•1414 pull requests•Updated Mar 26, 2026Mar 26, 2026

• radar-bench-verso

  Public
  Radar benchmarking for verso

  Python

  •00 forks•00 stars•00 issues•00 pull requests•Updated Mar 25, 2026Mar 25, 2026

• lean4checker

  Public archive
  Replay the `Environment` for a given Lean module, ensuring that all declarations are accepted by the kernel.

  Lean

  •

  Apache License 2.0

  •1010 forks•3434 stars•00 issues•11 pull request•Updated Mar 25, 2026Mar 25, 2026