Review for Extra Folder Columns by Rich Pasco
Rated 4 out of 5 stars
This add-in does restore functionality of TB 2.0 lost in the 3.0 so-called "upgrade." It also fixes another problem reported in 3.0: "Favorite Folders view cluttered by account name"
This review is for a previous version of the add-on (0.4).To create your own collections, you must have a Mozilla Add-ons account.