Scalatra is a free and open source web application framework written in Scala. It is a port of the Sinatra framework written in Ruby. Scalatra is an alternative to the Lift, Play!, and Unfiltered frameworks.
Software built with Scalatra
• LinkedIn used Scalatra to power its now-defunct Signal API. • Parts of The Guardian's API services are built in Scalatra. • http://gov.uk has built its API systems using Scalatra. ==References==