CardBook - a new Thunderbird address book based on the CardDAV and vCard standards

• Autocompletion in mail address fields and Lightning calendar fields!
• Easy CardDAV synchronisation!
• Access to all vCard data!
• Customizable data fields!
• And many more ...

You can get CardBook from the official Thunderbird Add-On page!

If you encounter any problems with CardBook please have a look at our GitHub issue tracker and our forum. If your problem is not listed there, you can do us a great favor by creating a new issue. But even if there is already an issue discussing the topic, you could help us by providing additional information in a comment.

When you are creating an issue, please give the following information:

• a detailed describtion of the problem
• the situation the problem occurs in and how other people will be able to recreate it
• your Thunderbird version (you can find this in the main menu at Help -> About Thunderbird)
• if possible: the relevant output of the error console (found at Tools -> Developer Tools -> Error Console / Ctrl-Shift-J)

Planned features:

• Better integration with the standard Thunderbird address book

Community efforts:

• A project wiki (in GitHub)

You are welcomed to contribute to this project by:

• creating issues about problems,
• creating issues about possible improvements,
• helping people who have problems or questions,
• improving the documentation,
• working on the code,
• or simply spreading the word about this great add-on.

Main contributors:

• Philippe VIGNEAU (author and maintainer)
• Alexander BERGMANN
• R. Kent JAMES
• Timothe LITT
• Christoph MAIR
• Boris PRÜSSMANN
• Lukáš TYRYCHTR

Translations by:

• Philippe VIGNEAU (fr)
• Lukáš TYRYCHTR (cs)
• Alexander BERGMANN (de)
• Markus MAUERER (de)
• Oliver SCHUPPE (de)
• Timothe LITT (en-US)
• ÓVÁRI (hu)
• Agnese MORETTINI (it)
• Han KNOLS (nl)
• Adam GORZKIEWICZ (pl)
• André BAÇÃO (pt-PT)
• Alexander YAVORSKY (ru)

To be added