Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
The first and only download manager/accelerator built inside Firefox!
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
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