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TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 5 out of 5 stars (260)

65,433 users

Upload large attachments to your Cloud and send the link by email

Rated 5 out of 5 stars (49)

33,382 users

This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.

Rated 5 out of 5 stars (54)

27,654 users

Add-ons