Data.derive is a library and a tool for deriving instances for haskell programs. it is designed to work with custom derivations, syb and template haskell mechanisms. the tool requires ghc, but the generated code is portable to all compilers. this tool can be regarded as a competitor to drift.

this package provides a library for the haskell programming language, compiled for profiling. see http://www.haskell.org/ for more information on haskell.