JBoss.orgCommunity Documentation
RichFaces support is implemented in JBoss Developer Studio 1.0.0 GA and in Jboss Tools. JBoss Developer Studio is a fully packaged IDE that provides full support for Java Server Faces, RichFaces, Facelets, Struts and other Web technologies. In addition to this, it seamlessly combines visual and source-oriented development approaches. One of the special support feature for RichFaces is that it is available as project "capabilitiy" which can be added to any existing JSF project by adding libraries and modifying configuration files as required."