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CardBook Featured

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

Twitter: @CardBookAddon

Rated 4 out of 5 stars (484)
72,558 users

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Mail Merge

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

Rated 5 out of 5 stars (230)
77,215 users

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Birthday Calendar

Adds calendars containing the birthdays from your address books.

Rated 4 out of 5 stars (24)
5,337 users

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