Related sites:

• haskell.org

  Haskell Language

  

• regexplanet.com

  RegexPlanet - Online Regular Expression (Regex) Testing and Cookbook for: Go, Haskell, Java, JavaScript, .Net, Perl, PHP, PostgreSQL, Python, Ruby, Tcl & XRegExp

  

• learnyouahaskell.com

  Learn You a Haskell for Great Good!

  

• bartoszmilewski.com

    Bartosz Milewski's Programming Cafe | Category Theory, Haskell, Concurrency, C++

  

• haskell.com

  Haskell | Architecture, Engineering, Construction & Consulting

  

• godbolt.org

  Compiler Explorer

  

• codebunk.com

  CodeBunk: Online Realtime Collaborative Editor and Compiler