RC Faces or Rich Client Faces is a JavaServerFaces library that provides a set of components for building modern Web applications. RC Faces uses AJAX technologies and an object-oriented JavaScript API to ease the building of highly interactive user interfaces.
This open source (GNU LGPL License) library has been developed by the Vedana company since the summer 2004.
RC Faces is currently used by a french public organisation for a major project :
The distinctive advantages of RC Faces are :
The project is hosted on SourceForge : http://sourceforge.net/projects/rcfaces/

Vedana can offer professionnal support for projects using RCFaces (contact us).