ajax4jsf死了吗？ JSF还有哪些其他AJAX库？

I am currently using the JBoss RichFaces JSF component library for the project I am working on. It works quite well in general, especially the AJAX support provided by ajax4jsf (A4J), but I find the usually very inflexible table-markup used for almost every component and all this "skin" stuff of RichFaces quite annoying. It would be nice if there were some components which just provided the functionality and only minimal markup/style. Originally I had planned to use ICEfaces, but that didn't work too well either and also brings a lot of predefined styles with it, so for now RichFaces seems to be the best option. JSF co