@haskell/mtl
Monad classes for transformers, using functional dependencies
@haskell/containers
Assorted concrete container types
@haskell/binary
Binary serialisation for Haskell values using lazy ByteStrings
@haskell/base
Core data structures and operations
@hackage/distributive
Distributive functors -- Dual to Traversable
@hackage/constraints
Constraint manipulation
@hackage/adjunctions
Adjunctions and representable functors
@hackage/QuickCheck
Automatic testing of Haskell programs