* [EAS-4-TbSync v5.3.6](https://github.com/jobisoft/EAS-4-TbSync) – Thunderbird add-on providing Exchange ActiveSync (v2.5, v14.0, v16.1) synchronization for contacts, tasks, and calendars through TbSync.

* [TbSync v5.3.5](https://github.com/jobisoft/TbSync) – Thunderbird add-on providing a central UI to manage cloud accounts and synchronize contacts, tasks, and calendar data while simplifying account setup.