Review for Gmail Manager by Casey
Rated 4 out of 5 stars
It used to work perfectly, now it won't automatically log in or save passwords. It does fine on my wife's computer, which is also running FF3 and GMail 0-5-5, but is dead on my laptop.
This review is for a previous version of the add-on (0.5.5).To create your own collections, you must have a Mozilla Add-ons account.