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.
AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.
Bring back your personal and powerful Firefox Button!
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.
Zoom in, zoom out, and reset page zoom with one toolbar button (saves toolbar space). Zoom by clicking on the button, or by rolling the mouse wheel.
PixelZoomer takes a screenshot of the current website and provides various tools for pixel analysis. You can zoom into websites (up to 3200%), measure distances and pick colors with an eye dropper.
PixelZoomer requires Firefox 3.6 or higher.
custom additions to Stylish extension.
brings back features from 0.5.9 and adds new features
I can't be bothered to change SC, so amo will allow it to be uploaded
Screen Capture Elite lets you copy or save any visible, complete or selected region or a webpage and save it as a jpeg or png image file.
Toggle Firefox's built-in private browsing mode with a toolbar or status bar button. You can also toggle Firefox to auto-start in private browsing mode.
Easily navigate through Google search results using a fast, simple and useful Tag-Cloud technique. Use our Topic-Mapping-Technologies for quick access to answers, news, videos, blogs, Wikipedia and more. Install now and boost your search.
Show posts and images in the Craigslist listing, auto send emails, filters, drive direction, mark spam, hide, auto hide, favorite, bookmark, much more. Latest ver 9.9.35: https://addons.mozilla.org/en-US/firefox/addon/craigslist-fusion/versions
Returns the 'Properties' menu item that was removed in Firefox 3.6 to the context menu.
Toolbar buttons that give you a menu of your most used sites and your last used sites and a sub-menu of pages for each of those sites.
Collections are groups of related add-ons that anyone can create and share.Explore Collections