10 Add-ons in this Collection
Firebug by Joe Hewitt, Jan Odvarko, others
Greasemonkey by Anthony Lieuallen, Aaron Boodman, others
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
Secure Login is an extension for Firefox integrated password manager.
Add useful extra features to Gmail, like hierarchical labels, an unread message icon on your browser tab, file attachment icons, and more.
This extension adds a new "FaviconizeTab" option to the context menu of the tab...
For Sysadmins / Network Engineers / and why not everybody who needs a quick password generator.. simple, yet efficient.
Tired of that boring default icon next to your bookmarks? This extension adds an interface allowing you to pick the icon for each of your bookmarks.
NO LONGER MAINTAINED.
Automatically inserts HTML signatures into your Gmail messages based on which address you are sending from. Maintain up to four signatures per address.
USE BETA VERSION: http://goo.gl/FdyXq (v1.18.6b)