Kneobase is an enterprise search engine, based upon the Lucene search engine and the Springframework. It allows to perform full-text search across many different content sources. It is highly adaptable out-of-the-box and has a pluggable architecture.
JAppGen is a framework for generating J2EE applications. At least in its initial form, it will create Tiles/JSF/Spring/Hibernate applications from a common configuration definition written in XML.