Lean repositories

Discover trending Lean repositories ranked by recent growth and activity.

  1. 1. leanprover/lean4

    Lean 4 programming language and theorem prover

    GitHub repository with 8,170 stars and 867 forks.

    Trending score: 1.18; stars gained: +16; forks gained: +2.

    Language: Lean

    Topics: lean, lean4

  2. 2. leanprover-community/mathlib4

    The math library of Lean 4

    GitHub repository with 3,391 stars and 1,371 forks.

    Trending score: 1.04; stars gained: +11; forks gained: +8.

    Language: Lean

    Topics: lean4

  3. 3. facebookresearch/atlas-lean

    ATLAS Autoformalized Textbook Library At Scale

    GitHub repository with 210 stars and 21 forks.

    Trending score: 1.00; stars gained: +10; forks gained: +1.

    Language: Lean

  4. 4. Robby955/FormalSLT

    Zero-sorry Lean 4 library: finite-sample SLT bounds, sharp McDiarmid, PAC-Bayes Bernstein margin shell, and Dudley chaining. Standard Lean/Mathlib axioms only.

    GitHub repository with 33 stars and 1 forks.

    Trending score: 0.90; stars gained: +7; forks gained: +0.

    Language: Lean

    Topics: concentration-inequalities, formal-verification, lean4, machine-learning, mathematics, mathlib4

  5. 5. google-deepmind/formal-conjectures

    A collection of formalized statements of conjectures in Lean.

    GitHub repository with 1,001 stars and 302 forks.

    Trending score: 0.88; stars gained: +4; forks gained: +1.

    Language: Lean

    Topics: formal-mathematics, lean4

  6. 6. AxiomMath/AgreeToDisagree

    Lean formalizations of the paper "We Can't Agree to Disagree, Formally: Aumann's Theorem and Assumption Accounting in Lean"

    GitHub repository with 15 stars and 2 forks.

    Trending score: 0.77; stars gained: +5; forks gained: +0.

    Language: Lean

    Topics: lean4

  7. 7. lfglabs-dev/verity

    Formally verified smart contracts gives mathematical certainty across all inputs and execution paths. We bet that agents will make full formal verification practical.

    GitHub repository with 97 stars and 9 forks.

    Trending score: 0.55; stars gained: +1; forks gained: +0.

    Language: Lean

  8. 8. Verilean/sparkle

    A type-safe, formally verifiable HDL compiler in Lean 4. Inspired by Clash, built for high-assurance hardware synthesis.

    GitHub repository with 75 stars and 11 forks.

    Trending score: 0.38; stars gained: +1; forks gained: +0.

    Language: Lean

    Topics: formal-verification, hardware-synthesis, hdl, lean4, risc-v

  9. 9. objectionary/proof

    Proof of 𝜑-calculus confluence in Lean4

    GitHub repository with 8 stars and 2 forks.

    Trending score: 0.33; stars gained: +1; forks gained: +0.

    Language: Lean

    Topics: eolang, lean4, calculus, phi-calculus, proof

  10. 10. leanprover-community/iris-lean

    Lean 4 port of Iris, a higher-order concurrent separation logic framework

    GitHub repository with 189 stars and 35 forks.

    Trending score: 0.32; stars gained: +1; forks gained: +0.

    Language: Lean

  11. 11. dwrensha/compfiles

    Catalog Of Math Problems Formalized In Lean

    GitHub repository with 245 stars and 65 forks.

    Trending score: 0.32; stars gained: +1; forks gained: +0.

    Language: Lean

    Topics: lean4

  12. 12. strata-org/Strata

    GitHub repository with 193 stars and 48 forks.

    Trending score: 0.32; stars gained: +1; forks gained: +0.

    Language: Lean

  13. 13. jzshischolar/PyLeaner

    A Python interface to the Lean 4 kernel — designed for AI–Lean interactive automated theorem proving and related research. PyLeaner provides a production-ready bridge between Python and Lean's internals.

    GitHub repository with 14 stars and 0 forks.

    Trending score: 0.32; stars gained: +1; forks gained: +0.

    Language: Lean

    Topics: lean, lsp-client, theorem-proving

  14. 14. lean-ja/lean-by-example

    コード例で学ぶ Lean 言語

    GitHub repository with 168 stars and 14 forks.

    Trending score: 0.32; stars gained: +0; forks gained: +0.

    Language: Lean

    Topics: lean, lean4, mdbook, functional-programming, theorem-proving, reference

  15. 15. google-deepmind/alphaproof-nexus-results

    Lean math proofs generated by AlphaProof Nexus and accompanying natural language prose proofs.

    GitHub repository with 156 stars and 15 forks.

    Trending score: 0.29; stars gained: +1; forks gained: +0.

    Language: Lean

  16. 16. leanprover-community/flt-regular

    Fermat's Last Theorem for regular primes

    GitHub repository with 62 stars and 3 forks.

    Trending score: 0.21; stars gained: +0; forks gained: +0.

    Language: Lean

  17. 17. Verified-zkEVM/VCV-io

    Formalized Cryptography Proofs in Lean 4

    GitHub repository with 113 stars and 35 forks.

    Trending score: 0.20; stars gained: +0; forks gained: +1.

    Language: Lean

  18. 18. leanprover/verso

    Lean documentation authoring tool

    GitHub repository with 342 stars and 109 forks.

    Trending score: 0.17; stars gained: +0; forks gained: +0.

    Language: Lean

  19. 19. QEDGen/qedsvm

    Lean 4 reference semantics for the Solana Virtual Machine

    GitHub repository with 17 stars and 3 forks.

    Trending score: 0.12; stars gained: +0; forks gained: +0.

    Language: Lean

  20. 20. kim-em/hex

    Verified computational algebra in Lean 4 — polynomial factoring, LLL, and friends

    GitHub repository with 5 stars and 0 forks.

    Trending score: 0.11; stars gained: +0; forks gained: +0.

    Language: Lean

  21. 21. alerad/leancert

    Verified interval arithmetic for Lean 4 — prove bounds on exp, sin, cos, find roots, all machine-checked

    GitHub repository with 38 stars and 4 forks.

    Trending score: 0.09; stars gained: +0; forks gained: +0.

    Language: Lean

  22. 22. leanprover/verso-slides

    GitHub repository with 11 stars and 1 forks.

    Trending score: 0.07; stars gained: +0; forks gained: +0.

    Language: Lean

  23. 23. Verified-zkEVM/ArkLib

    Formally Verified Arguments of Knowledge in Lean

    GitHub repository with 295 stars and 68 forks.

    Trending score: 0.05; stars gained: +0; forks gained: +1.

    Language: Lean

    Topics: formal-verification, lean, lean4, snark, zero-knowledge, zk

  24. 24. SamuelSchlesinger/leanlings

    Learn Lean 4 by fixing 70 small exercises, one at a time

    GitHub repository with 16 stars and 2 forks.

    Trending score: 0.05; stars gained: +0; forks gained: +0.

    Language: Lean