"A modern, powerful, programming language called Scala to work with. You begin with a very small and simple subset of Scala, and progress to the level of Scala

"A modern, powerful, programming language called Scala to work with. You begin with a very small and simple subset of Scala, and progress to the level of Scala proficiency that you care to reach." so basically it's a Scala IDE for easy learning and authoring, tried it quickly and it looks nice, though the UI is pretty java-swing style.