Lift - Scala web framework

Welcome to the Lift Web Framework

Lift provides the best features for building interactive web applications:
Super simple and wicked powerful Ajax and Comet coding. This lets you build more interactive, user-friendly sites.
Amazingly concise code with the powerful type-safety of Scala. This means more time spent coding features and less time writing tests or chasing parameter mis-matches.
Runs on all standard JEE (Java) application servers including Jetty, Tomcat, WebLogic, etc. This means you get the performance, scalability and compatibility of the best web infrastructure around.
Built-in security means more time focusing on your application and less time being defensive about parameter tampering, SQL injection, Cross Site Scripting and other nasty attacks.

Read more at Lift Web Framework