Ensures that only one tab plays audio at the same time.
Yet another (very simple) tab lister. A possible update to Binny's "Url Lister". This one will copy a list of open URLS (in the current window) onto your clipboard (without feedback). The format of the list can be adjusted in the options pane. Enjoy!
iswitchb-tabs Requires Restart
Brings Emacs' iswitchb-mode to Firefox. Lets you easily switch between tabs by just typing part of the tab title. Great if you keep a lot of tabs open in many different windows, or if you just want to conveniently switch tabs using only a few...
FLST (Firefox 29+) Requires Restart
Focuses last selected tab when closing current tab; additionally, clicking current tab switches to last selected tab ("tab flipping")
App Tab Initializer Requires Restart
Open your preferred set of App Tabs when Firefox is started.
This add-on allows you to open Bookmarks as HTTP's POST Requests. Usefull if for example you want to bookmark search engine's results
Restore empty favicon Requires Restart
Restore empty favicon - restores empty placeholder on the tabs.
Empty favicon was removed in https://bugzilla.mozilla.org/show_bug.cgi?id=685059
Quick, intuitive and attractive tab management extension for Firefox.
Adds a "Sort Tabs" context menu to tabs, which sorts tabs by title (future versions will offer more options).
Too many open tabs? Manage your tabs, regain your sanity and improve your browsing experience with tabzen.
Save and restore you tabs whenever you need them.
Edit, annotate and organize your tabs.
Export, import to and from HTML file.
Renames the Tab Title (Persistent across the sessions).
Renaming to add custom words in tab titles makes it easy to search for tabs in the address bar.
Copy Tab Location Requires Restart
Copies the URL location of a tab to the clipboard.
FF History Requires Restart
Button on the window title, which lets you quickly view the history of recently visited tabs and windows.
Press (command or ctrl)-shift-o to sort all the tabs alphabetically by URL , the button in the toolbar, the toolbar context menu or the tools menu items.
Add a toolbar button onto any toolbar to undo closed tabs
Enable you to sleep/duplicate/placehold/kill multiple tabs at a time.
Security Tab Colorizer Requires Restart
When installed this addon will colorize your tabs depending on the protocol they use (currently [http/https red/green respectively] only). So you would know if you are browsing through a secured connection even if you have hidden the navigation bar.