openSCADA® is an open source SCADA system written in JAVA
Bunch of Apache Maven plug-ins and tools
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework
Eclipse builder for FreeMarker templates
RDF Eclipse Plugins
DAOGenerator automatically generates dao classes for Jee web apps
AMOS BASIC reimplementation in Java
Community Supported Eclipse Visual Editor