mathlib
The math library of Lean 4
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plausible
v4.29.0-rc8LeanSearchClient
c5d5b8fSyntax for searching with natural language from Lean, using https://leansearch.net/ (may extend to other services)importGraph
v4.29.0-rc8Tools to analyse and visualise the import structure of Lean packages and their files.proofwidgets
v0.0.94Helper toolkit for creating your own Lean 4 UserWidgetsaesop
v4.29.0-rc8White-box automation for Lean 4Qq
v4.29.0-rc8Intuitive, type-safe expression quotations for Lean 4.batteries
v4.29.0-rc8The "batteries included" extended library for the Lean programming language and theorem prover