Firefox 3 - Add-ons Manager

Mozilla has recently released final third version of popular web browser Firefox.
This new major version brings some new functions, like a One-Click bookmarking, Improved Performance, Full Zoom, Platform Native Look, Anti-Phising and more.
You can download Firefox 3 on its homepage.

On the screenshot above: Firefox 3 has new improved add-ons manager, which makes extending your Firefox better than before.