CardDAV is an address book client/server protocol designed to allow users to access and share contact data on a server.
The CardDAV protocol was developed by the IETF and has been published as RFC 6352 in August 2011. CardDAV is based on WebDAV, which is based on HTTP, and it uses vCard for contact data.
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The specification has been proposed as a standard by IETF as the RFC 6352 in August 2011 by C. Daboo from Apple Inc.
The following products implement the server-side portion of the CardDAV protocol: .
- Apple Address Book Server.
- Baïkal, an open-source and lightweight CalDAV+CardDAV server based on SabreDAV API
- Radicale, a simple CalDAV+CardDAV server written in Python with no external depencencies
- CommuniGate Pro supports CardDav protocol.
- DAViCal supports CardDAV from version 0.9.9.2
- EVO Mail Server, a mail server software, supporting CardDAV
- fruux, a synchronization service, supporting CardDAV
- Meishi, a standalone, Ruby on Rails based CardDAV server
- Memotoo, a synchronization service, supporting CardDAV
- ownCloud supports CardDAV protocol since version 2.0.
- SabreDAV, a WebDAV framework for PHP, supports CardDAV since version 1.5.
- SOGo supports CardDAV access to its address books.
- Zimbra 6 allows access to its address book via CardDAV.
- GMail and Google Contacts allow access to user's address book via CardDAV.
The following products implement the client-side portion of the CardDAV protocol:
See also 
- ^ CardDAV Resources, CalConnect, retrieved April 10, 2010
- ^ CardDAV: Related Standards, CalConnect, retrieved April 11, 2010
- ^ a b Implementations: CardDAV Servers, CalConnect, retrieved April 10, 2010
- ^ Mac OS X Server: Address Book Server, Apple Inc, retrieved April 10, 2010
- ^ CommuniGate Pro support of CardDav, retrieved April 21, 2011
- ^ DAViCal release 0.9.9.2, Freshmeat, retrieved September 24, 2010
- ^ Meishi, Github, retrieved March 30, 2012
- ^ SabreDAV 1.5 released with CardDAV support, dmfs, retrieved September 11, 2011
- ^ SOGo: Features, Inverse Inc.
- ^ Yoon Lee, Jong (September 25, 2009), Zimbra Server: CardDAV server, Zimbra/VMWare Inc, retrieved April 24, 2010
- ^ Ellingson, Jeff (September 27, 2012), A new way to sync Google Contacts, Google, retrieved September 27, 2012
- ^ ContactSync
- ^ Implementations: CardDAV Clients, CalConnect, retrieved April 10, 2010
- ^ Eran Dilger, Daniel (June 25, 2010), iPhone 4 and iOS vs. Android: desktop and cloud services, AppleInsider, retrieved July 24, 2010
- ^ Atmail Client: CardDAV interface, Atmail, retrieved May 26, 2010
- ^ CardDavMATE, Ján Máté, retrieved March 8, 2013
- ^ CardDav-Sync, Marten Gajda, retrieved November 1, 2012
- ^ CardDAV PHP, Christian Putzke, retrieved October 23, 2012
- ^ CardDAV/Clients, retrieved February 19, 2012
- ^ Kerio Connect, Kerio Technologies, retrieved April 10, 2010
- ^ Koenig, Tobias (February 4, 2010), CalDAV/CardDAV/GroupDAV Support for Akonadi, Blogspot, retrieved April 24, 2010
External links