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 A9 by C. M. Garvin
Rated 1 out of 5 stars
Not sure if this worked or was useful once, but now all it does is take you to http://a9.com/?q=thing+you+searched+for&sourceid=mozilla-search . Save yourself the trouble and just go to that page.
To create your own collections, you must have a Mozilla Add-ons account.