Maven for Javascript and Scala

Maven for Scala:
http://www.scala-lang.org/node/347
http://scala-tools.org/mvnsites/maven-scala-plugin/

Maven For Javascript:
http://mojo.codehaus.org/javascript-maven-tools/
http://blog.akquinet.de/2011/02/11/mavenizing-javascript-projects/

Continuous Integration for JavaScript
http://eriwen.com/tools/continuous-integration-for-javascript/

Useful Tools:
http://ofilabs.com/eightpack/download/