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Sharing your code

If you need a place to host a project so that others can help with it, we suggest github, which offers free hosting for public git repositories. If you're using darcs, patch-tag is just dandy as well. You can also apply for an account on the community server.


If you have a project that you want to work on at the Hackathon, please describe it here.

Since Hackathons are great for teamwork, consider joining one of the projects mentioned below. If you're interested in one of these projects, add your name to the list of hackers under that project.


Johan Tibell has recently been doing some work on unordered-containers, with an eventual goal of unifying the current {Int,Hash,}Map interfaces. Would be nice to have some form of unboxed containers in there too.

  • Liyang


The current implementation of time uses lots of Integers internally along with realToFrac, which makes it much slower than necessary. Thinking about moving to an Int64-based representation while still being able to represent any conceivable dates & times.

  • Liyang
  • Kazu
  • Mikhail


I anticipate to make a new release of the package just before ICFP, with a completely rewritten implementation. I'd like to spend some time after the release to flesh out the API a bit more.

  • Johan Tibell


I recently released a package called HiggsSet. Although it works for me in a production environment, I would sleep much better if it were properly tested. So, what needs to be done is a test/benchmark suite.

  • Lars Petersen


I released an alpha version of TKYProf, which is a visualizer for GHC profiling. I'd like to take care of the existing issues. The public repository is on GitHub.

  • Mitsutoshi Aoe


A presentation tool writtten with Haskell. I would like to cleanup code, and upload to the Debian repository. The public repository is on gitorious.

  • Kiwamu Okabe


Challenge to implement a practical Java parser and pretty printer supporting annotation and new specifications of Java. (consider backend invertible-syntax etc...)

I want use this package for code generation.

  • Kei Hibino

update websockets

Update the "websockets" package to the latest version of the websockets protocol (hybi-10, used by e.g. chrome 14)

  • Steffen