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 quickest way to find out if your computer is infected!
Bitdefender QuickScan is a very fast antivirus scanner, able to determine in a matter of seconds if a system is infected with malware.
More on http://quickscan.bitdefender.com/faq
Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.
The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...
Full featured zoom manager with independent page and image zoom modes. Choose from four zoom modes: Default Zoom, Fit-To-Width, Default Zoom + Site Specific or Fit-To-Width + Site Specific. Button style and zoom levels are fully configurable.
AniWeather = Animated Weather + Any Weather.
When it rains, it really does!
Tired of going to History -> Recently Closed Tabs just to undo a closed tab? Then this extension is for you!
This extension allows you to undo closed tabs via a toolbar button or the right-click context menu.
3D in your browser! FoxTab brings innovative 3D functionality to your Firefox.
New! Top Sites for FoxTab (aka Speed Dial).
Turn any webpage into a shoot-em up video game.
With a pulse pounding soundtrack and high scores for every web page, Destroy the Web is a fun way to take a little break during the day.
ChromaTabs Plus makes tabs more readily identifiable by tinting each tab a different color depending on the website loaded.
See the "Beta Channel" below for a beta version that is compatible with the new Firefox 4.0 betas.