A list of awesome lean4 projects. Feel free to add your project.
147
159 commits
updated Sep 21, 2026
🏆 A ranked list of awesome projects. Updated weekly.
This curated list contains 24 awesome open-source projects with a total of 0 stars grouped into 11 categories. All projects are ranked by a project-quality score, which is calculated based on various metrics automatically collected from GitHub and different package managers. If you like to add or update projects, feel free to open an issue, submit a pull request, or directly edit the projects.yaml. Contributions are very welcome!
🧙♂️ Discover other best-of lists or create your own.
Quick reference with short text
❗UnlicensedGitHub (👨💻 9):
```
git clone https://github.com/leanprover-community/mathlib4_docs
```
❗UnlicensedNo project information available.
❗Unlicensed jaGitHub (👨💻 3):
```
git clone https://github.com/lean-ja/lean-ja.github.io
```
❗UnlicensedNo project information available.
❗Unlicensed❗Unlicensed❗Unlicensed Lean 3Tutorials with long text
❗Unlicensed Lean 3❗UnlicensedGitHub (👨💻 3):
```
git clone https://github.com/leanprover-community/mathematics_in_lean
```
❗Unlicensed```
git clone https://github.com/hrmacbeth/math2001
```
❗UnlicensedNo project information available.
❗Unlicensed❗UnlicensedActual Lean 4 code for learning purposes
Reusable Lean 4 code for enhancing usability
Reusable Lean 4 code (theorems, etc.)
❗Unlicensed```
git clone https://github.com/Heime-Jorgen/kenosian-lean4
```
Core Lean 4 code
Lean 4 Games
❗UnlicensedGitHub (👨💻 41):
```
git clone https://github.com/leanprover-community/lean4game
```
Community
❗Unlicensed❗UnlicensedTools not made in Lean 4
❗UnlicensedGitHub (👨💻 20):
```
git clone https://github.com/leanprover-community/lean4web
```
❗UnlicensedGitHub (👨💻 4):
```
git clone https://github.com/leanprover/reservoir
```
❗Unlicensed❗Unlicensed jaGitHub (👨💻 3):
```
git clone https://github.com/lean-ja/lean-ja.github.io
```
❗UnlicensedNo project information available.
❗Unlicensed❗Unlicensed jaContributions are encouraged and always welcome! If you like to add or update projects, choose one of the following ways:
If you like to contribute to or share suggestions regarding the project metadata collection or markdown generation, please refer to the best-of-generator repository. If you like to create your own best-of list, we recommend to follow this guide.
For more information on how to add or update projects, please read the contribution guidelines. By participating in this project, you agree to abide by its Code of Conduct.
A list of awesome lean4 projects. Feel free to add your project.
147
159 commits
updated Sep 21, 2026
🏆 A ranked list of awesome projects. Updated weekly.
This curated list contains 24 awesome open-source projects with a total of 0 stars grouped into 11 categories. All projects are ranked by a project-quality score, which is calculated based on various metrics automatically collected from GitHub and different package managers. If you like to add or update projects, feel free to open an issue, submit a pull request, or directly edit the projects.yaml. Contributions are very welcome!
🧙♂️ Discover other best-of lists or create your own.
Quick reference with short text
❗UnlicensedGitHub (👨💻 9):
```
git clone https://github.com/leanprover-community/mathlib4_docs
```
❗UnlicensedNo project information available.
❗Unlicensed jaGitHub (👨💻 3):
```
git clone https://github.com/lean-ja/lean-ja.github.io
```
❗UnlicensedNo project information available.
❗Unlicensed❗Unlicensed❗Unlicensed Lean 3Tutorials with long text
❗Unlicensed Lean 3❗UnlicensedGitHub (👨💻 3):
```
git clone https://github.com/leanprover-community/mathematics_in_lean
```
❗Unlicensed```
git clone https://github.com/hrmacbeth/math2001
```
❗UnlicensedNo project information available.
❗Unlicensed❗UnlicensedActual Lean 4 code for learning purposes
Reusable Lean 4 code for enhancing usability
Reusable Lean 4 code (theorems, etc.)
❗Unlicensed```
git clone https://github.com/Heime-Jorgen/kenosian-lean4
```
Core Lean 4 code
Lean 4 Games
❗UnlicensedGitHub (👨💻 41):
```
git clone https://github.com/leanprover-community/lean4game
```
Community
❗Unlicensed❗UnlicensedTools not made in Lean 4
❗UnlicensedGitHub (👨💻 20):
```
git clone https://github.com/leanprover-community/lean4web
```
❗UnlicensedGitHub (👨💻 4):
```
git clone https://github.com/leanprover/reservoir
```
❗Unlicensed❗Unlicensed jaGitHub (👨💻 3):
```
git clone https://github.com/lean-ja/lean-ja.github.io
```
❗UnlicensedNo project information available.
❗Unlicensed❗Unlicensed jaContributions are encouraged and always welcome! If you like to add or update projects, choose one of the following ways:
If you like to contribute to or share suggestions regarding the project metadata collection or markdown generation, please refer to the best-of-generator repository. If you like to create your own best-of list, we recommend to follow this guide.
For more information on how to add or update projects, please read the contribution guidelines. By participating in this project, you agree to abide by its Code of Conduct.