Review for MinimizeToTray revived by Hal
Rated 3 out of 5 stars
This has absolutely no effect on Ubuntu 12.04 with Unity, except that it adds a "Minimize to Tray" menu item under the "File" menu and hides all indications that the program is running.
This ought to be stated in the description.
To create your own collections, you must have a Mozilla Add-ons account.