Reviews for Contacts Sidebar by Skip
Rated 4 out of 5 stars
This is a "great" add-on for TB and I would love to see it supported in TB7.
Rated 4 out of 5 stars
This is a very good usability add-on. I look forward to it working with TB 3 final.
To create your own collections, you must have a Mozilla Add-ons account.