I was pondering how naming Haskell packages with a proper hierarchy is quite important, and wondered what the general hierarchy of the Hackage packages was like. So I grabbed the tarball of pakage descriptions[1] from Hackage and ran a little messy Haskell script[2] and got this list: http://gist.github.com/raw/463423/f8458d83b1a7cc26cdbf812747188993e50cd8a2/T... Here's a snippet: hsdns: ADNS hsdns: ADNS.Base hsdns: ADNS.Endian hsdns: ADNS.Resolver cv-combinators: AI.CV.ImageProcessors HOpenCV: AI.CV.OpenCV.CV HOpenCV: AI.CV.OpenCV.CxCore HOpenCV: AI.CV.OpenCV.HighGui It's interesting to see how there are quite a few packages that could be easily put into the proper namesace, e.g. ADNS below should be in the Network hierarchy. It's also cool to see clusters of separate packages providing functionality for the same module, e.g. check out Control.Applicative! special-functors: Control.Applicative base: Control.Applicative applicative-extras: Control.Applicative.Backwards applicative-extras: Control.Applicative.Compose applicative-extras: Control.Applicative.Error InfixApplicative: Control.Applicative.Infix category-extras: Control.Applicative.Parameterized action-permutations: Control.Applicative.Permutation applicative-extras: Control.Applicative.State yjtools: Control.Applicative.Tools unicode-symbols: Control.Applicative.Unicode base-unicode-symbols: Control.Applicative.Unicode Control.Concurrent also has a lot going on inside it. There are quite a lot of packages under Network, too. One idea: Hackage could have an additional page which displays this, fully linked up to the packages in question, with an MSDN-style complete collapsible/expandable module hierarchy menu on the left and documentation on the right. I'm not saying that's the right way to do it, but it certainly makes for fun browsing for Haskell's entire open source codebase. (It would also encourage library writers to put their libraries in a useful namespace.) [1]: http://hackage.haskell.org/packages/archive/00-index.tar.gz [2]: http://gist.github.com/463472