Haskell Resources

Community

• https://www.reddit.com/r/haskell
• https://wiki.haskell.org/Mailing_lists

Searching

• https://www.haskell.org/hoogle/
• http://hayoo.fh-wedel.de/

Tutorials

• https://www.stackbuilders.com/tutorials/haskell/servant-auth/

Blogs / Wikis

Typeclasses

• https://wiki.haskell.org/Typeclassopedia
• http://adit.io/posts/2013-04-17-functors,_applicatives,_and_monads_in_pictures.html

Monads

mtl

• https://blog.jle.im/entry/mtl-is-not-a-monad-transformer-library.html

Misc

• http://homepages.inf.ed.ac.uk/wadler/papers/marktoberdorf/baastad.pdf - Monads for functional programming
• http://blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html
• http://www.johndcook.com/blog/2014/03/03/monads-are-hard-because/

Lenses

• http://adit.io/posts/2013-07-22-lenses-in-pictures.html

Extensions

• http://unbui.lt/#!/post/haskell-language-extensions/
• https://ocharles.org.uk/blog/posts/2014-12-01-24-days-of-ghc-extensions.html

RankNTypes

• https://ocharles.org.uk/blog/guest-posts/2014-12-18-rank-n-types.html
• http://chrisdone.com/posts/rankntypes
• http://sleepomeno.github.io/blog/2014/02/12/Explaining-Haskell-RankNTypes-for-all/
• https://www.stephanboyer.com/post/115/higher-rank-and-higher-kinded-types
• https://gist.github.com/cdepillabout/3b780e469236625c0354

General

• http://dev.stephendiehl.com/hask/ - Great resource full of all things Haskell
• https://github.com/bitemyapp/learnhaskell/blob/master/specific_topics.md
• https://github.com/Gabriel439/post-rfc/blob/master/sotu.md - State of the Haskell ecosystem
• http://www.stephendiehl.com/posts/essential_haskell.html - A Haskell Reading List
• https://www.reddit.com/r/haskell/comments/4f47ou/why_does_haskell_in_your_opinion_suck/ - Large number of things that suck and what a possible solution to it is
• http://ren.zone/articles/opaleye-sot - Type level programming within the context of Opaleye and SQL

Opinionated

• http://degoes.net/articles/insufficiently-polymorphic - Descriptive Variable Names: A Code Smell

Folds

• http://foldr.com
• http://foldl.com

Libraries

Aeson (JSON/YAML)

• https://artyom.me/aeson

Testing

• https://lexi-lambda.github.io/blog/2016/10/03/using-types-to-unit-test-in-haskell/

Editors

• https://github.com/syl20bnr/spacemacs/tree/master/layers/%2Blang/haskell

Fonts

• https://github.com/tonsky/FiraCode

Books

• http://haskellbook.com - Best in class beginner/intermediate resource ($59)
• http://learnyouahaskell.com - Lots of concepts, slightly dated (free)
• http://chimera.labs.oreilly.com/books/1230000000929/index.html - Parallel and Concurrent Programming in Haskell

Semi-Books

• https://bartoszmilewski.com/2014/10/28/category-theory-for-programmers-the-preface/

Videos

• https://www.youtube.com/watch?v=LnX3B9oaKzw - Functional Programming & Haskell with John Hughes