There's a guy names Chris Allen. He thought many Haskell and collected+reviewed many free online resource --for the purpose of making it easy for people from different background to pick the right material-- over here:
https://github.com/bitemyapp/learnhaskell
He's currently writing a book, that will cost money ($59 I think), which has beta-access and is IMHO already the best resource out there for most learners of this wonderful language. More info on this here: