Review for TbSync by DavidGB
Rated 5 out of 5 stars
Great. With the Provider for Exchange ActiveSync, this has synced the TB calender and address book with my outlook.com account, and now the Provider for CalDAV & CardDAV has added support for Google, it syncs the TB calendar and address book with my gmail.com account too. This means TB's calendar and address book sync with both the Calendar and People on my W10 laptop and the Calendar and Contacts on my Android phone, all with one consistent interface. Honestly, this out to be part of core Thunderbird, but as it isn't I'm really grateful to John for providing this for us. Superb add-on.
This review is for a previous version of the add-on (2.8).To create your own collections, you must have a Mozilla Add-ons account.