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 most lightweight and easiest translator. Translate between more than 50 languages with one click or a hot key. Translate from one word to a whole page.
Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...
Fasterfox Gives performance & network tweaks for Firefox. Fasterfox makes your browsing much faster!
Skips unnecessary pages on sites like Rapidshare, 4Shared, zShare, Mediafire, and more. Try it out, or watch a demo at http://www.skipscreen.com
Why click through ad-laden pages and wait for countdowns when your computer can do it for you
All your social networks in one easy to use app - it's the #1 downloaded social networking add-on for Firefox. Get all your updates, update your status and share across Facebook, Twitter, LinkedIn, YouTube & more - all at once!
You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.
Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...
Show some useful system information on the addon bar of firefox 4, such as the memory usage of system & firefox itself and network speed.
You can capture your screen and record your voice to make screencasts (tutorials, e-lessons, etc.).