RSS feed code, not familiar with the apache license 2.0 though (will check it out later)

http://github.com/dpp/liftweb/blob/2d7afecfd1151c907d2170ceb1c099a12e6affd1/lift-widgets/src/main/scala/net/liftweb/widgets/rssfeed/RSSfeed.scala

from a post I made here: http://groups.google.com/group/liftweb/browse_thread/thread/a85170b2f194243c?hl=en

also this lib:

http://code.google.com/p/java-twitter/