Review for Session Manager by Hitman7112
Rated 5 out of 5 stars
Very great add-on, has no problems and is highly customizable :D Huge thanks to the developer of this add-on definitely 5/5 stars from me.
This review is for a previous version of the add-on (0.7.6.1.1-signed).To create your own collections, you must have a Mozilla Add-ons account.