- Scalable design.
- Extensive sharing and delegation features.
- Powerful scheduling and free/busy capabilities.
- Flexible ACL and authentication system.
- Supported on all major platforms.
sabre/dav is the most popular WebDAV framework for PHP. Use it to create WebDAV, CalDAV and CardDAV servers.
sabre/dav supports a wide range of internet standards related to these protocols. The most relevant are:
- WebDAV
- CalDAV
- CardDAV
- vCard 2.1, 3.0, 4.0 and jCard
- iCalendar 2.0 and jCal
- current-user-principal
- Extended MKCOL
- WebDAV-sync
- CardDAV directories
- CalDAV delegation
- CalDAV sharing
Check out the Standard support page for all the details.