Programming in Haskell Code examples and solutions for the book Programming in Haskell (2nd edition) ...

Get Programming with Haskell introduces you to the Haskell language without drowning you in academic jargon and heavy functional programming theory. By working through 42 easy-to-follow lessons, ...

Just in case you don't think Haskell is being used for anything but academics then check out the Commercial Users of Functional Programming site. They have an annual conference as well.

In the early ’90s, a committee of academics built Haskell as a kind of experiment in language design, and all these years later, it remains on the fringes of mainstream programming.