title: Compare JSF implementations
body: <p>I would be glad to get references to resources and people's experience on comparison of known JSF implementations: MyFaces and IceFaces in terms of component's richness, ease to develop, popularity, stability, community support,  etc.</p>
  
  <p>Update: as it was pointed out the initial question is not accurate enough. There are few JSF implementations (Apache MyFaces, Sun reference implementation) and some JSF component libraries (IceFaces, RichFaces, Woodstock, etc.). But anyhow my question is about both core JSF and JSF component libraries implementations. </p>