YouTube High Definition Featured
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Pearltrees lets you organize all your interests.
Master Password+ Requires Restart Featured
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
Disconnect for Facebook™ Featured
Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.
YouTube Enhancer Plus Requires Restart Featured
Improve your watching experience! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.
Weather Underground (Forecast Plus) Featured
Provides local & long range Weather Forecast using Weather Underground
Tab Scope Requires Restart Featured
Preview and navigate tab contents through popup.
FindBar Tweak Featured
Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Increase your browsing privacy, protection, and speed.
Gmail™ Notifier (restartless) Featured
Multiple account (or label) Gmail notifier (without storing passwords)
Greasemonkey Requires Restart Featured
A quick and minimalistic way to create bookmarks.
Extended Cookie Manager - Keep only wanted cookies.
Theme Font & Size Changer Featured
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Reader is the ultimate Reader tool for Firefox.
Slim Add-ons Manager Featured
The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.
Beyond Australis Featured
Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!
YouTube™ Control Center Featured
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.