Alternatives and similar repositories for mathlib3

Users that are interested in mathlib3 are comparing it to the libraries listed below

• leanprover-community / lean
  Lean 3 Theorem Prover (community fork)
  ☆433Updated 2 years ago
• leanprover-community / mathlib4
  The math library of Lean 4
  ☆2,694Updated this week
• leanprover / lean3
  Lean Theorem Prover
  ☆2,154Updated 2 years ago
• leanprover / lean4
  Lean 4 programming language and theorem prover
  ☆6,927Updated this week
• UniMath / UniMath
  This rocq library aims to formalize a substantial body of mathematics using the univalent point of view.
  ☆994Updated this week
• stacks / stacks-project
  Repository for the Stacks Project
  ☆976Updated last month
• ImperialCollegeLondon / natural_number_game
  Building the natural numbers in Lean 3. The original natural number game, now frozen. See README for Lean 4 information.
  ☆303Updated last year
• HoTT / Coq-HoTT
  A Coq library for Homotopy Type Theory
  ☆1,363Updated this week
• leanprover / elan
  The Lean version manager
  ☆456Updated 2 months ago
• ImperialCollegeLondon / FLT
  Ongoing Lean formalisation of the proof of Fermat's Last Theorem
  ☆767Updated last week
• ryankeleti / ega
  amateur translation project of Grothendieck's EGA.
  ☆370Updated 2 months ago
• leanprover-community / mathematics_in_lean
  The user home repository for the Mathematics in Lean tutorial.
  ☆445Updated 4 months ago
• teorth / equational_theories
  A project to map out the relations between different equational theories of Magmas.
  ☆462Updated last week
• HoTT / book
  A textbook on informal homotopy type theory
  ☆2,124Updated last month
• kbuzzard / xena
  Lean Library currently studying for a degree at Imperial College
  ☆229Updated 10 months ago
• math-comp / math-comp
  Mathematical Components
  ☆662Updated 2 weeks ago
• leanprover-community / lean4game
  Server to host lean games.
  ☆364Updated last week
• gap-system / gap
  Main development repository for GAP - Groups, Algorithms, Programming, a System for Computational Discrete Algebra
  ☆929Updated last week
• lecopivo / SciLean
  Scientific computing in Lean 4
  ☆442Updated 6 months ago
• Paper-Proof / paperproof
  Lean theorem proving interface which feels like pen-and-paper proofs.
  ☆482Updated 2 weeks ago
• agda / agda
  Agda is a dependently typed programming language / interactive theorem prover.
  ☆2,760Updated this week
• vEnhance / napkin
  An Infinitely Large Napkin
  ☆1,778Updated 3 weeks ago
• teorth / analysis
  A Lean companion to Analysis I
  ☆1,402Updated this week
• leanprover-community / lean-liquid
  💧 Liquid Tensor Experiment
  ☆214Updated last year
• ImperialCollegeLondon / formalising-mathematics
  Lean 3 material for Kevin Buzzard's 2021 TCC courrse on formalising mathematics. Lean 4 version available here: https://github.com/Imperi…
  ☆313Updated last year
• OpenLogicProject / OpenLogic
  An open-source, customizable intermediate logic textbook
  ☆1,237Updated last month
• leanprover-community / tutorials
  Some Lean tutorials
  ☆183Updated 2 years ago
• metamath / set.mm
  Metamath source file for logic and set theory
  ☆300Updated this week
• hrmacbeth / math2001
  Lecture notes for a course on writing proofs, on paper and in the Lean proof assistant
  ☆322Updated last year
• UniMath / SymmetryBook
  This book will be a textbook written in the univalent style, taking advantage of the presence of symmetry in the logic at an early stage.
  ☆435Updated last week