StateIT

StateIT uses a natural Groovy DSL to build resources with state.

Open Source

Is free to use, open source, and licensed under the Apache License, Version 2.0
Cross Platform

Runs on the JVM so it works on any platform Mac, Linux, Windows, etc
Powerful

Tons of features included and anything you can do in Groovy available
Extensible

Designed from the ground up to be extensible

Open Source