Review for Provider for Google Calendar by Randall Thomas
Rated 3 out of 5 stars
I give it three stars at present for being a uni-directional tool. It syncs from Thunderbird's calendar to Google's calendar fine. It does NOT sync from Google calendar to Thunderbird's calendar. Thus, I have to be careful to have orphaned listings in Google that I forget about. Happy to upgrade stars when it becomes bi-directional.
This review is for a previous version of the add-on (102.0.3).To create your own collections, you must have a Mozilla Add-ons account.