A library of abstract interfaces for mathematical structures in Coq [maintainer=@spitters,@Lysxia]

A library of Coq definitions, theorems, and tactics. [maintainers=@gmalecha,@liyishuai]

Coq Repository at Nijmegen [maintainers=@spitters,@VincentSe,@Lysxia]

Build dependency graphs between Coq objects [maintainers=@Karmaki,@ybertot]

The Coq Effective Algebra Library [maintainers=@CohenCyril,@proux01]

Coq plugin for parametricity [maintainer=@proux01]

Regular Language Representations in Coq [maintainers=@chdoc,@palmskog]

Coq plugin providing tactics for rewriting universally quantified equations, modulo associative (and possibly commutative) operators [maintainer=@palmskog]

Coq library of arbitrarily large numbers, providing BigN, BigZ, BigQ that used to be part of the standard library [maintainers=@proux01,@erikmd]