For FF 13
14 Add-ons in this Collection
Toolbar button that lets you disable and re-enable Flash with just one click.
Easiest way to Add and Manage Custom User Styles in Firefox.
Add, Edit, enable, disable and delete in-numerous User Style Sheets to redesign the Firefox and the Web.
Bring back the List-all-tabs button (Removed from Firefox 12 in Bug 714281)
Closes duplicate and empty tabs. Uses control+shift+d as the keyboard shortcut to do it.
Allows you to export the sessions stored by Session Manager as a bookmarks.html file.
1 Thessalonians 4:3-5, Hebrew 6:1-8, sexual immorality is a sin, do not fall away from the faith.
Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time
Manage your search engines in the Extension Manager.
Dormancy 'retires' tabs that have gone unused for a while, freeing up that memory. It then restores the tabs to life when accessed.
EXPERIMENTAL. MAY EAT YOUR SESSION OR DO OTHER BAD THINGS.
An addon that reduces tab clutter by extracting your current browsing session into a new Panorama group.
Allows users of ActTrader application to view information about their current trading status, while browsing the web with Firefox. Always stay on top of your current balance, P/L, number of open positions and orders, live dealing rates and more!