Scala IDE provides advanced editing and debugging support for the development of pure Scala and mixed Scala-Java applications inside Eclipse
Scala IDE is Open Source and available under the Scala License.
Learn more at http://scala-ide.org.
File a ticket in our issue tracker, or drop a message in the scala-ide-user mailing list if you have any doubt.
Read Building the Scala IDE.