Simple build tool for scala projects
http://www.scala-sbt.org

Simple build tool for Scala projects that aims to do the basics well. It requires Java 1.5 or later.

Features
•  Fairly fast, unintrusive, and easy to set up for simple projects
•  Configuration, customization, and extension are done in Scala
•  Accurate recompilation (in theory) is done using information extracted by a compiler plugin
•  Continuous compilation and testing with triggered execution
•  Supports mixed Scala/Java projects, packages jars, generates documentation with scaladoc
•  Supports testing with ScalaCheck, specs, and ScalaTest
•  Starts the Scala REPL with project classes and dependencies on the classpath
•  Multiple project/subproject support
•  Parallel task execution, including parallel test execution
•  Dependency management support: inline declarations, external Ivy or Maven configuration files, or manual management