IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
Drupal for Firebug extends the Firebug module to provide Drupal specific debugging and status messages. The 2.0 version doesn't work, until 2.1 is approved by mozilla, we recommend Downloading straight from the Project's Repository page.
Fission combines address bar and progress bar (Safari style). This makes the progress bar more visible and allows for a nice visual effect.
This sexy baby can transparently wrap ActiveX into the Plugins which supported by firefox. You can just link the media files(Wmplayer, Rmplayer, QtPlayer and FlashPlayer) as normally without security problems.
Collections are groups of related add-ons that anyone can create and share.Explore Collections