Haskell.org
Repository for information on the lazy functional programming language Haskell: Descriptions, documents, history, news, HaWiki, software (libraries, tools), humor, merchandise, and links. http://www.haskell.org/
Hello, World program
What Hello World in Haskell looks like. http://www2.latech.edu/~acm/helloworld/haskell.html
Haskell API Search
Search engine for the Haskell standard libraries (Prelude, List, Array, etc). Search by function name, or type signature. Gives examples and overviews of many functions. http://www.nmitchell.co.uk/code/haskell_api/