Which open-source comet/ reverse-ajax libraries will you recommend to be used with Tomcat 5.5? Why?

Question

I have seen continuations in Jetty 6.0 that addresses scaling for comet/reverse-ajax applications.

Are there any other libraries/frameworks to be used with Tomcat 5.5?

Answer 1

I would check out DWR(Direct Web Remoting). It has fairly decent documentation and a respectable user base.

DWR

Answer 2

Atmosphere is the kind of thing I was looking for.