Beyond Mathlib

The Lean research ecosystem, in one directory.

Browse 636 source-backed Lean ecosystem records from curated repositories and a pinned Reservoir snapshot. Exact Therefore declaration coverage is labelled separately from package and repository discovery.

Reservoir index b6ac225af74c backs 600 directory records. Provider metadata is discovery evidence, not proof verification or authorship.

35 of 636 projects

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Package metadataLean tool

MutualInduction

A mutual induction tactic for Lean 4.

Declarations not yet indexedLean 4.32.0

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

lean2wasm

Tool for compiling Lean to WASM

Declarations not yet indexedLean 4.6.1

Pinned Reservoir package record · checked 2026-07-25

Wasm
Package metadataLean tool

lean-slides

A tool to auto-generate and render slides from Markdown comments in the Lean editor.

Declarations not yet indexedLean 4.29.0-rc6

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

leaff

Leaff is a diff tool for Lean environments

Declarations not yet indexedLean 4.11.0-rc3

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

mdgen

Tool to generate markdown files from lean files.

Declarations not yet indexedLean 4.33.0-rc1

Pinned Reservoir package record · checked 2026-07-25

CliMarkdown
Package metadataLean tool

ELFSage

A toy ELF parser/validator

Declarations not yet indexedLean nightly-2024-10-07

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

partax

Lean 4 library of tools for parsing and compiling syntax and parser definitions.

Declarations not yet indexedLean 4.3.0

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

MD4Lean

a Lean wrapper for the MD4C Markdown parser

Declarations not yet indexedLean 4.29.0-rc1

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

kimina

A Lean tactic that invokes the Kimina Prover Preview model to offer proof suggestions.

Declarations not yet indexedLean 4.18.0

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

Parse

🧩 | Parser generation for Lean 4.

Declarations not yet indexedLean 4.8.0

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

leansec

Total parser combinators library for Lean4

Declarations not yet indexedLean 4.20.0-rc5

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

lapis

✏️ | A cutting-edge, concurrent & performant Language Server Protocol (LSP) framework for Lean 4.

Declarations not yet indexedLean 4.30.0-rc1

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

UnicodeSkipListTableExample

A library that shows how to use the Unicode skip list tables generation tool to create a table to test if a codepoint is numeric.

Declarations not yet indexedLean 4.10.0-rc2

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

webeditor

Helper tool for projects run in lean4web

Declarations not yet indexedLean nightly

Pinned Reservoir package record · checked 2026-07-25

Lean package
Package metadataLean tool

sos

A Lean 4 sum-of-squares tactic for nonlinear real arithmetic.

Declarations not yet indexedLean 4.31.0

Pinned Reservoir package record · checked 2026-07-25

MathReal ArithmeticSoftware VerificationTactic
Package metadataLean tool

Quave

Quantum Hoare Logic Lean 4 - A quantum program verification tool

Declarations not yet indexedLean 4.16.0-rc2

Pinned Reservoir package record · checked 2026-07-25

Math
Package metadataLean tool

leaner

🪶 | A linter, formatter and whole-program dead code eliminator for Lean 4

Declarations not yet indexedLean 4.29.0

Pinned Reservoir package record · checked 2026-07-25

Lean package