The Glorious Glasgow Haskell Compiler.
Typing rules for Haskell
Remote debugging for GHC
Infrastructure for testing Hackage packages against GHC pre-releases.
GHC mirror of the haddock package
Dockerfiles for building the images we use for CI
A QuickCheck testsuite for GHC's C-- pipeline and native code generation backends.
Nofib Haskell benchmark suite