Haskell Tools
You have found the way to Tools on Haskell:
See also:
APSET - A project to provide better run-time profiling information for GpH.
Buddha - A declarative debugger for the Haskell 98.
DrIFT - A Haskell preprocessor for generating instances of classes.
Green Card - A foreign function interface preprocessor, simplifying the task of interfacing Haskell programs to external libraries.
Happy - A parser generator for Haskell.
The Haskell FFI Binding Modules Generator (HSFFIG) - A tool that takes a C library include file (.h) and generates Haskell Foreign Functions Interface import declarations for items (functions, structures, etc.) the header defines. [Open source, BSD License]
HaskellDirect - An (Independent definition language) IDL compiler for Haskell. Can be used to interface foreign language libraries and call COM methods from Haskell.
VersionTool - A tiny utility that extracts version information from a .cabal file and from darcs, and then, inserts it into a source file. Help build the largest human-edited directory on the web.