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leanprover-community/mathlib4
The math library of Lean 4
Apache-2.0Sep 9, 2026 · metrics 2.10.0
All tags
Catalogue tag
#lean4
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
23 records
npm
google-deepmind/formal-conjectures
A collection of formalized statements of conjectures in Lean.
Apache-2.0Sep 11, 2026 · metrics 2.10.0
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leanprover/lean4
Lean 4 programming language and theorem prover
Apache-2.0Sep 21, 2026 · metrics 2.10.0
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Verified-zkEVM/ArkLib
Formally Verified Arguments of Knowledge in Lean
Apache-2.0Oct 19, 2026 · metrics 2.10.0
PyPI · RubyGems
fpvandoorn/carleson
A formalized proof of Carleson's theorem in Lean
Apache-2.0Sep 19, 2026 · metrics 2.10.0
PyPI
oOo0oOo/lean-lsp-mcp
Lean Theorem Prover MCP
MITOct 19, 2026 · metrics 2.10.0
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leanprover-community/batteries
The "batteries included" extended library for the Lean programming language and theorem prover
Apache-2.0Sep 11, 2026 · metrics 2.10.0
npm
leanprover-community/ProofWidgets4
Helper toolkit for creating your own Lean 4 UserWidgets
Apache-2.0Sep 9, 2026 · metrics 2.10.0
PyPI
AxiomMath/axiom-lean-engine
Lean evaluation and metaprogramming utilities for provers.
MITSep 11, 2026 · metrics 2.10.0
PyPI
eic/EpsilonEridaniWorker
`epsiloneridani` keeps the EpsilonEridani Lean library moving, using a "bring your own agent" approach
Apache-2.0Oct 10, 2026 · metrics 2.10.0
npm
leanprover-community/lean4web
Lean web editor
Apache-2.0Oct 18, 2026 · metrics 2.10.0
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leanprover/doc-gen4
Document Generator for Lean 4
Apache-2.0Sep 11, 2026 · metrics 2.10.0
PyPI
alerad/lean-runtime
No repository description published.
Apache-2.0Oct 19, 2026 · metrics 2.10.0
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lean-dojo/LeanCopilot
LLMs as Copilots for Theorem Proving in Lean
MITSep 16, 2026 · metrics 2.10.0
npm
midspiral/LemmaScript
verification toolchain for TypeScript (Tech Preview)
MITSep 13, 2026 · metrics 2.10.0
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leanprover-community/aesop
White-box automation for Lean 4
Apache-2.0Sep 8, 2026 · metrics 2.10.0
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leanprover-community/import-graph
Tool to analyse the import structure of lean projects.
Apache-2.0Sep 10, 2026 · metrics 2.10.0
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leanprover/lean4-cli
A Lean 4 library for configuring Command Line Interfaces and parsing command line arguments.
MITSep 10, 2026 · metrics 2.10.0
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leanprover-community/quote4
Intuitive, type-safe expression quotations for Lean 4.
Apache-2.0Sep 10, 2026 · metrics 2.10.0
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leanprover/Pantograph
(Mirror) A Machine-to-Machine Interaction System for Lean 4
Apache-2.0Sep 20, 2026 · metrics 2.10.0
npm
Paper-Proof/paperproof
Lean theorem proving interface which feels like pen-and-paper proofs.
MITSep 17, 2026 · metrics 2.10.0
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dupuisf/BibtexQuery
A simple command-line bibtex query utility written in Lean 4
Apache-2.0Sep 9, 2026 · metrics 2.10.0
npm · PyPI
sthamann/tfpt
Topological Fixed-Point Theory: a machine-checked discrete compiler for the Standard Model, α⁻¹, and cosmology from two axioms. Papers, verification suite (Python/Wolfram/Lean), experiments & website.
No licenseSep 12, 2026 · metrics 2.10.0