Skip to content

Navigation Menu

Appearance settings

leanprover

View all features
- BY COMPANY SIZE
  Enterprises
  Small and medium teams
  Startups
  Nonprofits
- BY USE CASE
  App Modernization
  DevSecOps
  DevOps
  CI/CD
  View all use cases
- BY INDUSTRY
  Healthcare
  Financial services
  Manufacturing
  Government
  View all industries
View all solutions
- EXPLORE BY TOPIC
  AI
  Software Development
  DevOps
  Security
  View all topics
- EXPLORE BY TYPE
  Customer stories
  Events & webinars
  Ebooks & reports
  Business insights
  GitHub Skills
- SUPPORT & SERVICES
  Documentation
  Customer support
  Community forum
  Trust center
  Partners
- COMMUNITY
  GitHub SponsorsFund open source developers
- PROGRAMS
  Security Lab
  Maintainer Community
  Accelerator
  Archive Program
- REPOSITORIES
  Topics
  Trending
  Collections
- ENTERPRISE SOLUTIONS
  Enterprise platformAI-powered developer platform
- AVAILABLE ADD-ONS
  GitHub Advanced SecurityEnterprise-grade security features
  Copilot for BusinessEnterprise-grade AI features
  Premium SupportEnterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

Lean

Lean Prover

968 followers
https://lean-lang.org/
@leanprover@functional.cafe
@leanprover
company/98362384

Overview
Repositories
Projects
Packages
People

More

Overview
Repositories
Projects
Packages
People

Pinned Loading

lean4 lean4 Public

Lean 4 programming language and theorem prover

Lean 7k 719

Repositories

Loading

Type

Select type

All Public Sources Forks Archived Mirrors Templates

Language

Select language

All C C++ CSS Emacs Lisp Haskell HTML Java JavaScript Lean Python Ruby Rust Shell TeX TypeScript Vim Script Vue

Sort

Select order

Last updated Name Stars

Showing 10 of 78 repositories

lean4-pr-releases Public
Automated releases from leanprover/lean4 PRs

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

2 3 0 0 Updated Dec 24, 2025
lean4 Public
Lean 4 programming language and theorem prover

leanprover/lean4’s past year of commit activity

Lean 6,961 Apache-2.0 719 794 (6 issues need help) 362 Updated Dec 24, 2025
lean4-nightly Public
Nightly builds

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

23 3 0 0 Updated Dec 24, 2025
Pantograph Public
(Mirror) A Machine-to-Machine Interaction System for Lean 4

leanprover/Pantograph’s past year of commit activity

Lean 43 Apache-2.0 8 0 0 Updated Dec 23, 2025
reservoir-index Public
Registry index for Reservoir

leanprover/reservoir-index’s past year of commit activity

Lean 5 2 0 0 Updated Dec 23, 2025
KLR Public
A formalization of ML kernel languages

leanprover/KLR’s past year of commit activity

C 33 Apache-2.0 11 7 11 Updated Dec 23, 2025
cslib Public
The Lean Computer Science Library (CSLib)

leanprover/cslib’s past year of commit activity

Lean 208 Apache-2.0 40 13 13 Updated Dec 23, 2025
human-eval-lean Public
Hand-written verified Lean solutions for the HumanEval benchmark

leanprover/human-eval-lean’s past year of commit activity

Lean 25 MIT 8 155 8 Updated Dec 23, 2025
reference-manual Public
The Lean reference manual

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

Lean 90 Apache-2.0 43 97 14 Updated Dec 22, 2025
comparator Public

leanprover/comparator’s past year of commit activity

Lean 7 1 3 4 Updated Dec 21, 2025

View all repositories

People

Top languages

Lean Python JavaScript TypeScript TeX

Most used topics

lean4 lean theorem-proving

Footer

© 2025 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.