If you have multiple logins for web based e-mail accounts (like Gmail and Yahoo! mail), then CookieSwap enables you to easily switch between those different accounts by swapping the 'cookies' that the sites use to know you.
Combined with the ChromeToPhone application for Android, this extension allows to send urls, text and files from Firefox to your phone or tablet.
A GNU/GPL telnet client extension specifically designed for BBS browsing.
Adds a small badge to your tabs to alert you to (for example) new messages on Facebook. The badge is also visible when the tabs are pinned so you can see when there's something new available.
Provides tools to find out details of the fonts used in a web page.
Resize 'Add Bookmark' Popup / 'Edit This Bookmark' Popup, fixes tree selection bug, option to disable popup auto close & Update Url and/or Name of a bookmark with the Url/Title of current page.
Replacement of OpenBook addon
Launchy will enable you to open links and mailto's with external applications...
Bring your image to an ambient lighting effect with just one click on the button.
This add-on has been discontinued and no longer has any functionality.
Collections are groups of related add-ons that anyone can create and share.Explore Collections