OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey) Requires Restart
IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +
Fire IE (FireIE, Enhanced IE) Requires Restart
Embeds Internet Explorer(IE) to use the powerful Firefox add-ons.
Not only an enhanced IE Tab, but also an enhanced Internet Explorer with Adblock Plus and FireGestures support.
Switch to the IE engine in one click and dismiss your IE.
Open Bookmarks in New Tab Requires Restart
After you installed this addon to your Firefox, bookmarks are opened in new tab always.
New Tab Tools Featured
Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
Undo Closed Tabs Button Requires Restart
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.
Context Search Requires Restart
Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search.
Smart HTTPS Featured
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.
Window and Tab Limiter Requires Restart
This extension will automatically close old windows and tabs so you don't wind up with zillions of old windows open at the same time. NEW FEATURES IN 3.0. Password protection....and 3 modes of operation.
Tab Memory Usage Featured
Tab Memory Usage displays the amount of memory is used by each tab
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!
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
Select a number of links with a rectangle and open them all in new tabs in the same or a new window(s), download them or copy them to the clipboard. You can also lasso checkboxes to quickly check or uncheck them.
"Maximize your screen space by adjusting Firefox window TitleBar, borders, Tabs, Toolbars, etc!", with 'smart' options, *optional* custom caption & resizers.
Multiple Configurable Actions for both screen-corner buttons: Firefox & Close buttons!
BarTab Lite is the alcohol free version of BarTab. (Not really.)
Multi Links Plus Requires Restart
Multi Links Plus lets you open, copy or bookmark multiple links at the same time rather than having to do them all individually.
This Add-on brings a fresh look to your new tab page, powered by Yahoo. It also provides default Yahoo experience for search and homepage.
Open Link in New Tab Requires Restart
Loads links in new tabs, by conditions.