To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for Gmail Manager by Frosby
Rated 5 out of 5 stars
This addon :
https://github.com/downloads/athomas/mozilla-firefox-addons/gmail_manager-0.6.4.1.5-fx+sm.xpi
that was added by alexthomas is working perfectly with FF9.
To create your own collections, you must have a Mozilla Add-ons account.