Rated 5 out of 5 stars

My favorite RSS tool. Lots of great options

http://projects.protej.com/index.php/liveclick/comments/open_beta_4_liveclick_100
Now works with FF22. I don't know why, but even version 1.0.0b3 worked for FF22 for me, but happy to know that it has been updated with some nice changes as well.

This review is for a previous version of the add-on (0.4.2.0).