Review for Gmail Manager by Netscapist
Rated 1 out of 5 stars
It does not work for me (Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100317 SUSE/2.0.4-1.2 SeaMonkey/2.0.4). The envelope does not appear, preferences do not work.
There is no problem with Firefox.
To create your own collections, you must have a Mozilla Add-ons account.