Review for FireTray by Ulyssess
Rated 4 out of 5 stars
Very nice extension. Works flawlessly!
The only change I would really appreciate, is to make it possible to indicate which accounts are taken into account when unread messages are count. For instance, unread RSS feeds are not that important so I don't want them to be incorporated...
To create your own collections, you must have a Mozilla Add-ons account.