One of my side projects that has been running for couple of years now, was to get Cryptography up to scratch in haskell. Back when I started TLS, there were many various cryptography related projects and libraries. Many were not easy to use, none were consistent, many had performance problems.
ghc core with style
After reading one too many time ghc core's output, i've been itching to have a more interactive output.
cabal-db : simple tool for cabal database queries
Following previous experiment with Cabal library and querying the state of the hackage world here, I've extended and wrapped the tool into a cabal package.