difference between JSF, RichFaces, PrimeFaces and IceFaces

Question

I am new to jsf and want to know about the clear difference between JSF, Rich-/Prime-/IceFaces.

In JSF we create pages with .jsp extension and write java code in the backing beans.

But how exactly all "faces" are different and related to jsf.

Answer 1

I think if you put it very simply . ref : Source

JSF is a request-driven MVC web framework for constructing user interfaces using components.

And PrimeFaces/RichFaces/IceFaces are components/JSF libraries that you can use on top of JSF

1. RichFaces : is an open source Ajax-enabled component library for JavaServer Faces

2. ICEfaces, open-source, Java JSF extension framework and rich components, Ajax without JavaScript

3. PrimeFaces Ajax framework with JSF components