The open source CardDAV, CalDAV and WebDAV server.

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atmail works with sabre/dav Box works with sabre/dav Our consumer product fruux is powered by sabre/dav Owncloud works with sabre/dav

The full lineup


The leading open-source CalDAV, CardDAV and WebDAV server


An OOP abstraction layer for the PHP server api.


A library for parsing and manipulating vCard, iCalendar, jCard and jCal.


Utilities for lightweight event-based programming in PHP.


The only XML library that you may not hate.


Functions for making sense out of URIs.

Enterprise support

sabre/dav and the other projects are developed by fruux.

We provide:

  • Enterprise support.
  • Customization.
  • Integrating into your existing infrastructure.
  • Both on-premise and SaaS deployments.
Contact us
to discuss your requirements.


A new XML library for PHP

Dealing with XML is annoying to many, and certainly us. We've tried many different approaches to make working with XML less frustrating, and we've finally landed on an approach that we're happy with.

sabre/vobject 3.4.0 release

We just released sabre/vobject 3.4.0. This release has a number of improvements and bugfixes.

A new URI handling library

We just released version 1.0.0 of a new URI library. This library solves a few common problems we've been having, or simply did not do well enough in the past.