The best replacement for jsf 2 is struts 2.

The best alternatives to jsf 2 are rated as following:
★★★★★  struts 2
★★★★  spring mvc
★★★★  wicket
★★  spring mvc 3
★  vaadin
★  spring 3
★  tapestry 5
★  1.2

Your alternative for jsf 2 is not listed? Suggest!
Speaking about jsf 2, one probably shouldn't forget about richfaces 4.

Other search terms related to jsf 2 and their ratings are:
★★★★★ richfaces 4
★★★★ jboss 5
You have in mind a companion for jsf 2 and it is not yet here? Propose!



Google Trends

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jsf 2
struts 2
spring mvc