Happstack Server provides an HTTP server and a rich set of functions for routing requests, handling query parameters, generating responses, working with cookies, serving files, and more. For in-depth documentation see the Happstack Crash Course http://happstack.com/docs/crashcourse/index.html.

There are packages available on hackage and stack.

Please refer to the Documentation on Hackage.