When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.
Shareaholic is the easiest way to share interesting links using Facebook, Twitter, Google Mail, Reader, Bookmarks, Evernote, Bitly, StumbleUpon, and more... from one simple ALL-IN-ONE add-on. This is the ultimate tool for the link sharing addict!
GMarks helps you sync & manage your bookmarks with Google Bookmarks...
Select text and it's automatically copied to the clipboard. Also pastes on middle click.
This add-on will open the File Browser at the right location, using simple filters on the downloaded file.
The filters are based on filenames and hosted domain's name.
Note from Mozilla: This add-on has been discontinued. Try Roomy Bookmarks Toolbar instead.
A compilation of some of the best Greasemonkey user scripts for YouTube in one interface.
An extension that allows for the use of dynamic commands in Firefox.
A maintained version can be installed via: https://bitbucket.org/satyr/ubiquity/downloads/tip.xpi
Collections are groups of related add-ons that anyone can create and share.Explore Collections