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A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (485)

70,604 users

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

Rated 5 out of 5 stars (233)

77,752 users

Adds calendars containing the birthdays from your address books.

Rated 4 out of 5 stars (27)

4,822 users

Add-ons