Just a link post today since google started supporting Java for their app engine rather than just Python, this will very likely bring lots of developers on board by having Java for Google App Engine http://code.google.com/appengine/ Google AppEngine http://code.google.com/eclipse/ Eclipse Plugin http://blog.springsource.com/2009/04/07/write-your-google-app-engine-applications-in-groovy/ App Engine in Groovy Time to start writing some apps in it 🙂