Functor is:package

Not on Stackage, so not searched. Functors
Not on Stackage, so not searched. Infix operators for mapping over compositions of functors. Lots of them.
Not on Stackage, so not searched. Tools for functor combinator-based program design
Not on Stackage, so not searched. General functor products for various Foldable instances
Not on Stackage, so not searched. This package has been subsumed by semigroupoids
Not on Stackage, so not searched. Data.Functor.Classes instances for core packages
Not on Stackage, so not searched. Functor combinators with tries & zippers
Not on Stackage, so not searched. Friendly helpers for your recursion schemes.
Not on Stackage, so not searched. FFunctor: functors on (the usual) Functors
Not on Stackage, so not searched. Monad-style combinators for functors.
Not on Stackage, so not searched. Collection of functor utilities, providing handy operators, like generalization of (.).
Not on Stackage, so not searched. Convert values from one type into another.
Not on Stackage, so not searched. Data.FunctorM (compatibility package)
Not on Stackage, so not searched. (.:) and friends, syntax for Functor and Applicative.
Not on Stackage, so not searched. Profunctors
Not on Stackage, so not searched. Bifunctors
Not on Stackage, so not searched. A practical formlet library
Not on Stackage, so not searched. Control.Applicative, Data.Foldable, Data.Traversable (compatibility package)
Not on Stackage, so not searched. product-profunctors
Not on Stackage, so not searched. Functors from products of Haskell and its dual to Haskell
Not on Stackage, so not searched. Compatibility package for the Bifunctor, Bifoldable, and Bitraversable classes
Not on Stackage, so not searched. Utilities for indexed profunctors
Not on Stackage, so not searched. Bifunctors over monad transformers.
Not on Stackage, so not searched. export useful functions from `bifunctors`.
Not on Stackage, so not searched. useful `bifunctors` functions reimplemented