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CardBook
Featured
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon
66,601 users
Auto Avatars
Add-on for Thunderbird that automatically populates contact photos with their Libravatar or Gravatar photo. Includes support for custom instances and federation!
140 users
To create your own collections, you must have a Mozilla Add-ons account.
