Defragments your Firefox "Places" database (history/bookmarks)
This greatly reduces the lag while typing in the address bar and the start-up time.
This extension features configurable automatic cleaning, periodic reminder, and internationalization.
Asks for the master password at startup (fixes multiple password prompt)
An artware browser add-on to protect privacy in web-search. By issuing randomized queries to common search-engines, TrackMeNot obfuscates your search profile(s) and registers your discontent with surreptitious tracking.
Easy cache status & management from status...
Jump-to-word buttons and highlighting for the search box content
Allow you to launch embed video of website in an external application with a simple click ...
This extension display your current external IP address in the browsers statusbar.
Save links, images and web pages to user-defined folders and their sub-folders straight from context menu.
Permanently hide content from web pages using the Context Menu. Simply, click and "Remove it Permanently". Now includes previewing of items before removal, support for IFrame as well as lots of advanced features to make it easy for...
Clipple provides extended clipboard system to Firefox. All text you copied will be stored and you can paste text in it later.
Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)
Display all Google services as buttons or as a space-saving dropdown menu next to your address bar. Reach services like Gmail, Google reader, Google maps, Google calendar, and many more in a single click from your browser.