@hackage/lens
Lenses, Folds and Traversals
@hackage/base
Core data structures and operations
@hackage/web-routes-th
Support for deriving PathInfo using Template Haskell
@hackage/web-routes
portable, type-safe URL routing
@hackage/aeson
Fast JSON parsing and encoding
@hackage/boomerang
Library for invertible parsing and printing
@hackage/safecopy
Binary serialization with version control.