Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
ASP.NET - ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
Scotty - Scotty is a Haskell framework inspired by Ruby's Sinatra.
Django - The Web framework for perfectionists with deadlines
Happstack Lite - Happstack itself is a web framework created in Haskell. Happstack Lite is an easier version to use that can import features from the heftier version if need be.