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 easy way to download and convert Web videos from hundreds of YouTube-like sites.
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
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!
Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.
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.
Tab grouping, vertical tab tree, multi-rows, and various tweaks for power users.
It is based on original Firefox 3.0 Mac OS theme.
MacOSX theme for firefox 4.0 is at https://addons.mozilla.org/en-US/firefox/addon/macosx-theme-firefox-4/
Collections are groups of related add-ons that anyone can create and share.Explore Collections