Skip to content

Navigation Menu

Sign inAppearance settings

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
View all resources
- COMMUNITY
  GitHub SponsorsFund open source developers
- PROGRAMS
  Security Lab
  Maintainer Community
  Accelerator
  GitHub Stars
  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

Sign upAppearance 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

Uh oh!

There was an error while loading. Please reload this page.

Uh oh!

There was an error while loading. Please reload this page.

Lean

Lean Prover

1.3k 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 8.8k 932

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 153 repositories

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

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

3 3 0 0 Updated Aug 13, 2026
lean4 Public
Lean 4 programming language and theorem prover

leanprover/lean4's past year of commit activity

Lean 8,772 Apache-2.0 932 965 (6 issues need help) 632 Updated Aug 13, 2026
reference-manual Public
The Lean reference manual

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

Lean 123 Apache-2.0 64 113 23 Updated Aug 13, 2026
verso Public
Lean documentation authoring tool

leanprover/verso's past year of commit activity

Lean 374 Apache-2.0 119 64 17 Updated Aug 13, 2026
lean4-nightly Public
Nightly builds

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

23 3 0 0 Updated Aug 13, 2026
nerodia Public
Write Python modules in Lean! (WIP)

leanprover/nerodia's past year of commit activity

Lean 3 Apache-2.0 0 0 0 Updated Aug 13, 2026
downstream-lean4 Public
A collection of packages downstream of Lean 4.

leanprover/downstream-lean4's past year of commit activity

Lean 1 1 0 5 Updated Aug 13, 2026
leanprover.github.io Public
www

leanprover/leanprover.github.io's past year of commit activity

HTML 16 25 13 2 Updated Aug 13, 2026
cslib Public
The Lean Computer Science Library (CSLib)

leanprover/cslib's past year of commit activity

Lean 647 Apache-2.0 180 47 99 Updated Aug 12, 2026
radar-bench-verso Public
Radar benchmarking for verso

leanprover/radar-bench-verso's past year of commit activity

Python 0 0 0 0 Updated Aug 12, 2026

View all repositories

People

Top languages

Loading…

Uh oh!

There was an error while loading. Please reload this page.

Most used topics

Loading…

Uh oh!

There was an error while loading. Please reload this page.

Footer

© 2026 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.