Which is your favorite "hidden gem" package on Hackage?

Posted by finnsson on Stack Overflow See other posts from Stack Overflow or by finnsson
Published on 2010-05-23T09:07:31Z Indexed on 2010/05/23 9:10 UTC
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subjective

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library

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haskell

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packages

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whats-your-favourite

There are a lot of packages on Hackage, some well known (such as HUnit) and some less known (such as AspectAG). I'm wondering which package you think is a hidden gem that deserves more users. Maybe a useful data structure, helpers for monads, networking, test, ...?

Which is your favorite "hidden gem" package on Hackage?

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