The best replacement for richfaces is primefaces.

The best alternatives to richfaces are rated as following:
★★★★★  primefaces
★★★★  myfaces
★★★  trinidad
★★  icefaces
★★  adf
★  tomahawk
  openfaces
  jsf 2.0
  adf faces

Your alternative for richfaces is not listed? Suggest!
Speaking about richfaces, one probably shouldn't forget about jsf 2.0.

Other search terms related to richfaces and their ratings are:
★★★★★ jsf 2.0
★★★★ myfaces
★★★★ jsf 1.2
★★★ primefaces
★★ jsf
facelets
You have in mind a companion for richfaces and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of richfaces in all years. Click on graph for more.
richfaces
primefaces
myfaces