leanprover-community / mathlib4
The math library of Lean 4
| Jun | JUL | Aug |
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| 2025 | 2026 | 2027 |

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The math library of Lean 4
Lean 4 programming language and theorem prover
Syntax for searching with natural language from Lean, using https://leansearch.net/ (may extend to other services)
White-box automation for Lean 4
A Lean 4 library for configuring Command Line Interfaces and parsing command line arguments.
The "batteries included" extended library for the Lean programming language and theorem prover
Intuitive, type-safe expression quotations for Lean 4.
Helper toolkit for creating your own Lean 4 UserWidgets
A collection of formalized statements of conjectures in Lean.
The Lean Computer Science Library (CSLib)