Play 2.0

Play is a free and open-source framework which makes it easier for you to build web applications with Java and Scala.

Play is based on a lightweight, stateless, web-friendly architecture and features predictable and minimal resource consumption (CPU, memory, threads) for highly-scalable applications - thanks to its reactive model, based on Iteratee IO.

Here are some key features of "Play":
Ссылка: http://download..org/releases/play-2.0.zip