Testscalatra is a project mainly written in Scala, it's free.
Testing basic scalatra setup
Basic Scalatra setup based on https://github.com/scalatra/scalatra-sbt-prototype
General idea is to compare speed of Scalatra + Scalate. Please let me know if I've set anything up stupidly.
Also testing:
Supprisingly, this performs worst out of the group, so I'd really like to know why!