Share websites you like with your friends, with a click on a toolbar button.

Enables back and forward browsing with mouse buttons.

A graphical utility that can alphabetically sort standard Firefox bookmark files.

Tools for writing/testing javascript on Firefox windows, web pages, and bookmarklets. [Require Login]

Adds "Copy As Html" and "Copy As Plain Text" to the context menu.

Allows the user to monitor a webpage for updates and track changes.

Way of editing centrally managed locked and/or default settings in Firefox via Group Policy and Administrative Templates in Microsoft's Active Directory.

Emails the URIs of all browser tabs.

Auto detects phone numbers in web pages and makes the click-to-dial ready with Cisco's Unified Communications Manager. With Cisco Unified Presence Server this also detects people in web text and inserts presence indicators next to them.

Shows bookmarks full titles in the bookmarks menu and submenus.