Review for Password Exporter by Taszi
Rated 3 out of 5 stars
I found this while i search for a password tool which allow me to search in saved domain/passwords. Almost do what i would like :/
Check this Addot too for GoogleMail users:
http://www.google.com/tools/firefox/browsersync/
This will save all your passwords and bookmarks in your Gmail account. and you could retrive it automaticaly, or could syncronise paswords and bookmarkw between computers.
To create your own collections, you must have a Mozilla Add-ons account.