FEBE (Firefox Environment Backup Extension) is a cool Firefox addon, that enables you to backup your Firefox extensions. It will actually rebuild your extensions individually into installable .xpi files, that enables you to synchronize between office and home PC.
This extension is available for Firefox 3.x.
As claimed by the addon description, FEBE backs up your extensions, [...]
Digg has officially released its toolbar for Firefox 3, which would highly simplify the way the users digg, comment and submit posts.
This toolbar fits nicely under the firefox navigation bar, just above the Google toolbar (in case you have it).
In case you are navigating to a new page, that has never been digged, you can [...]