Haskell is an advanced, standardized, general-purpose purely functional programming language, with non-strict semantics and strong static typing. It is named after logician <a href="https://en.wikipedia.org/wiki/Haskell_Curry"&gt;Haskell Curry</a>.

https://www.haskell.org/ghc/license

https://github.com/ox-it/orchard-recipes/tree/master/HaskellPlatform