Developer reply by dlech
Rated 1 out of 5 stars
Cannot recommend. Great concept, only it doesn't work. Continuously get the oauth login error message popup. Only fix I could find that was successful was to remove the add-on.
It is true I have neglected this addon for TB 60, but it should be working again with TB68.
To create your own collections, you must have a Mozilla Add-ons account.