Collections by linefeed
Panorama aka Tab Candy by linefeed
These add-ons riff on + extend the "tab groups" concept introduced in FF4. While finding the most effective ways to integrate this feature into my workflow, I watch for relevant add-ons.
Create a New Collection
Collections make it easy to keep track of favorite add-ons and share your perfectly customized browser with others.
Create a CollectionTo create your own collections, you must have a Mozilla Add-ons account.