Switches between multiple and single window mode...
Smart HTTPS Geen herstart Aanbevolen
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.
Search and New Tab by Yahoo Geen herstart
This Add-on sets your default Search to Yahoo, and it brings a fresh look to every new tab page, powered by Yahoo.
"TabGroups Manager revived" is a fork of the original "TabGroups Manager" developed by Axel Shootingstar.
TabGroups Manager helps the management of multiple tabs organizing them into multiple groups.
Live Start Page LST Geen herstart
Live new tab page: living photos in your browser, weather, to-do list, and bookmark tiles
Firefox in Full Screen mode with many extra options, such as optionally display the guides or for example the address bar. Saves the last state or force start in full screen forever! Simple and complete for this purpose.
Multi Links Plus lets you open, copy or bookmark multiple links at the same time rather than having to do them all individually.
Tab Reloader (Page Reloader) Geen herstart
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Very simple add-on that closes the current tab and make Firefox forget about the visit: suppressing cookies related to the current page, cleaning (beware : may be partial) the browser history and so on.
Open in IE™ (Internet Explorer) Geen herstart
Open links in Internet Explorer
Rename Tab Title Geen herstart
Renames the Tab Title (Persistent only for the session)
Custom UserAgent String Geen herstart
Add a custom useragent string for desired URLs or domains.
open a list of urls at one time, for people who like to check several websites everyday
TabSubmit Geen herstart
Lets the user direct the submission of a form to a new tab or window. [Bug #17754]
Permanent List-all-tabs Button Geen herstart
Bring back the List-all-tabs button (Removed from Firefox 12 in Bug 714281)
Max Tabs Geen herstart
Set maximum number of opened tabs in a window.
Suspend Tab Geen herstart
Suspends background old tabs automatically to save memory usage.
Simplified Tab Groups Geen herstart
A Firefox addon that provides tab grouping features similar to the removed TabView/TabGroups/Panorama features with a different UI. This add-on is able to manage tab groups created by Panorama.
newtab.url Geen herstart
Restores custom new-tab functionality ("browser.newtab.url" - like)