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] http://hsffig.sourceforge.net
HaskellDirect
An (Independent definition language) IDL compiler for Haskell. Can be used to interface foreign language libraries and call COM methods from Haskell. http://haskell.cs.yale.edu/hdirect/
Happy
A parser generator for Haskell. http://haskell.cs.yale.edu/happy/
Green Card
A foreign function interface preprocessor, simplifying the task of interfacing Haskell programs to external libraries. http://haskell.cs.yale.edu/greencard/
Buddha
A declarative debugger for the Haskell 98. http://www.cs.mu.oz.au/~bjpop/buddha/
DrIFT
A Haskell preprocessor for generating instances of classes. http://www.dcs.gla.ac.uk/~nww/derivehome.html
APSET
A project to provide better run-time profiling information for GpH. http://www.cee.hw.ac.uk/~gnik/apset/
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