@haskell/parsec
Monadic parser combinators
@haskell/mtl
Monad classes for transformers, using functional dependencies
@haskell/containers
Assorted concrete container types
@haskell/bytestring
Fast, compact, strict and lazy byte strings with a list interface
@haskell/base
Core data structures and operations
@hackage/utf8-string
Support for reading and writing UTF8 Strings