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    125 repositories

    • lean4

      Public
      Lean 4 programming language and theorem prover
      leanlean4
      leanlean4
      Lean
      •
      Apache License 2.0
      •905•8.5k•939•587•Updated Jul 20, 2026Jul 20, 2026

    • downstream-lean4

      Public
      A collection of packages downstream of Lean 4.
      Lean
      •2•0•0•1•Updated Jul 20, 2026Jul 20, 2026

    • lean-kernel-arena

      Public
      Lean
      •18•29•0•4•Updated Jul 20, 2026Jul 20, 2026

    • downstream

      Public
      Scripts for managing lake package monorepos.
      TypeScript
      •1•0•0•0•Updated Jul 20, 2026Jul 20, 2026

    • lean4-pr-releases

      Public
      Automated releases from leanprover/lean4 PRs
      3•3•0•0•Updated Jul 20, 2026Jul 20, 2026

    • reference-manual

      Public
      The Lean reference manual
      Lean
      •
      Apache License 2.0
      •63•122•112•23•Updated Jul 20, 2026Jul 20, 2026

    • lean4web

      Public
      CSS
      •
      Apache License 2.0
      •55•0•0•2•Updated Jul 19, 2026Jul 19, 2026

    • cslib

      Public
      The Lean Computer Science Library (CSLib)
      computer-sciencelean
      computer-sciencelean
      Lean
      •
      Apache License 2.0
      •175•626•46•88•Updated Jul 19, 2026Jul 19, 2026

    • lean-eval-submissions

      Public
      Submission pipeline and results store for the lean-eval benchmark (https://github.com/leanprover/lean-eval)
      Python
      •
      Apache License 2.0
      •1•6•1•1•Updated Jul 19, 2026Jul 19, 2026

    • reservoir-index

      Public
      Registry index for Reservoir
      Lean
      •3•8•1•0•Updated Jul 19, 2026Jul 19, 2026

    • verso

      Public
      Lean documentation authoring tool
      Lean
      •
      Apache License 2.0
      •119•366•66•23•Updated Jul 19, 2026Jul 19, 2026

    • lean4-nightly

      Public
      Nightly builds
      3•23•0•0•Updated Jul 19, 2026Jul 19, 2026

    • comparator-live

      Public
      An online live.lean-lang.org-style playground for running the Comparator tool
      TypeScript
      •
      Apache License 2.0
      •0•1•0•1•Updated Jul 19, 2026Jul 19, 2026

    • lean-workbench

      Public
      Online Lean Workbench
      TypeScript
      •
      Apache License 2.0
      •0•3•18•2•Updated Jul 17, 2026Jul 17, 2026

    • verso-blueprint

      Public
      Build structured Proof Blueprints with Verso
      Lean
      •2•19•0•6•Updated Jul 17, 2026Jul 17, 2026

    • TensorLib

      Public
      A verified tensor library in Lean
      Lean
      •
      Apache License 2.0
      •9•43•2•1•Updated Jul 17, 2026Jul 17, 2026

    • doc-gen4

      Public
      Document Generator for Lean 4
      lean4
      lean4
      Lean
      •
      Apache License 2.0
      •65•161•30•5•Updated Jul 16, 2026Jul 16, 2026

    • elan

      Public
      The Lean version manager
      Rust
      •
      Apache License 2.0
      •56•577•29•1•Updated Jul 16, 2026Jul 16, 2026

    • watchapus

      Public
      lsp memory usage reporter for linux
      TypeScript
      •0•0•0•0•Updated Jul 16, 2026Jul 16, 2026

    • verso-templates

      Public
      Templates for getting started with Verso
      Lean
      •4•37•3•1•Updated Jul 15, 2026Jul 15, 2026

    • verso-slides

      Public
      Lean
      •
      Apache License 2.0
      •3•16•10•0•Updated Jul 15, 2026Jul 15, 2026

    • verso-web-components

      Public
      A collection of reusable components from the Lean website designed build related sites with the same look and feel.
      Lean
      •
      Apache License 2.0
      •0•3•0•1•Updated Jul 15, 2026Jul 15, 2026

    • subverso

      Public
      Lean
      •
      Apache License 2.0
      •12•7•3•1•Updated Jul 15, 2026Jul 15, 2026

    • comparator

      Public
      Lean
      •
      Apache License 2.0
      •19•104•7•8•Updated Jul 15, 2026Jul 15, 2026

    • lean4export

      Public
      Plain-text declaration export for Lean 4
      Lean
      •
      Apache License 2.0
      •20•37•2•1•Updated Jul 15, 2026Jul 15, 2026

    • leansqlite

      Public
      SQLite bindings for Lean
      C
      •
      Apache License 2.0
      •1•48•1•2•Updated Jul 15, 2026Jul 15, 2026

    • illuminate

      Public
      Lean
      •
      Apache License 2.0
      •0•9•0•0•Updated Jul 15, 2026Jul 15, 2026

    • lean4-cli

      Public
      A Lean 4 library for configuring Command Line Interfaces and parsing command line arguments.
      clileanlean4
      clileanlean4
      Lean
      •
      MIT License
      •25•114•2•3•Updated Jul 15, 2026Jul 15, 2026

    • radar

      Public
      "Do you know how fast you were going?"
      Java
      •1•7•0•0•Updated Jul 15, 2026Jul 15, 2026

    • leagent

      Public
      Lean
      •0•2•0•0•Updated Jul 13, 2026Jul 13, 2026
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