Lean

lean4

Lean 4 programming language and theorem prover

lean3

Lean Theorem Prover

elan

The Lean version manager

theorem_proving_in_lean4

Theorem Proving in Lean 4

vscode-lean4

Visual Studio Code extension for the Lean 4 proof assistant

vscode-lean

Extension for VS Code that provides support for the older Lean 3 language. Succeeded by vscode-lean4 ('lean4' in the extensions menu) for the Lean 4 language.

lake

**(Deprecated: Merged into Lean 4)** Lean 4 build system and package manager with configuration files written in Lean.

fp-lean

Functional Programming in Lean

verso

Lean documentation authoring tool

lean4-cli

A Lean 4 library for configuring Command Line Interfaces and parsing command line arguments.

LeanInk

LeanInk is a command line helper tool for Alectryon which aims to ease the integration of Lean 4.

doc-gen4

Document Generator for Lean 4

functional_programming_in_lean

A book about functional programming in Lean

SampCert

SampCert : Verified Differential Privacy

LNSym

Armv8 Native Code Symbolic Simulator in Lean

leansat

This package provides an interface and foundation for verified SAT reasoning

lean4-nightly

Nightly builds

lean4checker

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

leanprover.github.io

www

presentations

lean-related presentations

reservoir

Package registry for Lean/Lake. (WIP)

lean4export

Plain-text declaration export for Lean 4

leanbv

lean3-web-editor

Lean web editor

lean-action

GitHub action for standard CI in Lean projects

subverso

lean4-pr-releases

Automated releases from leanprover/lean4 PRs

lean4-ci-test

A copy of the lean4 repository to test changes to the repository and CI setup

release-index

Index of Lean releases

reservoir-index

Registry index for Reservoir