CardDAV libraries

supported implementations

Card Me

Open source/Java

A Java library used to read and write vCard data streams as defined in RFC2426. Currently supports vCard 3.0 but is stated to be under active development.

ez-vcard

Java parser library

ez-vcard is a java parser library for vCard. It supports all versions of the vCard standard (2.1, 3.0, 4.0) as well as xCard, hCard, and jCard.

Milton

Java library

Milton is a java library for WebDAV, CalDAV and CardDAV server implementations.

pycalendar

Open source/Python

The library used by CalendarServer as part of its CardDAV/vCard support.

pyCardDAV

Python CardDAV client and library

pyCardDAV is a CLI CardDAV client (for use with mutt etc.) and also contains a reusable CardDAV module.

vdirsyncer

Open Source Command-Line Tool

vdirsyncer is a command-line tool to synchronize a CalDAV/CardDAV server with a local iCalendar/vCard file, or a folder of those. It can also be used to synchronize two DAV servers with each other.

unsupported implementations

Mulberry vCard Library

Open source/C++

The library used by the Mulberry client for its vCard handling.

Not supported since 2005

vobject

Open source/Python

A Python library used to read and write vCard data streams as defined in RFC2426. Also does iCalendar.

Not supported since 2009

vCard4j

Open source/Java

vCard4j is a Java library used to read and write vCard data streams as defined in RFC2426.

Not supported since 2003

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