snap package:snap-server

A web server for the Snap Framework Snap is a simple and fast web development framework and server written in Haskell. For more information or to download the latest version, you can visit the Snap project website at http://snapframework.com/. The Snap HTTP server is a high performance web server library written in Haskell. Together with the snap-core library upon which it depends, it provides a clean and efficient Haskell programming interface to the HTTP protocol.
A short string describing the Snap server version
The EscapeSnapHook is called if the user handler escapes the HTTP session, e.g. for websockets.