The Lean Computer Science Library (CSLib)

Lean 4 programming language and theorem prover

Document Generator for Lean 4

Automated releases from leanprover/lean4 PRs

The Lean reference manual

A collection of reusable components from the Lean website designed build related sites with the same look and feel.

Lean documentation authoring tool

Plain-text declaration export for Lean 4

Replay the `Environment` for a given Lean module, ensuring that all declarations are accepted by the kernel.