A comparison of CalDAV and CardDAV implementations offers two overviews of client and server computer software implementations of the CalDAV and CardDAV protocols.
Client implementations
Client name | Platform | License | WebDAV ACL editor | Discovery of other user’s collections | ICalendar events | ICalendar tasks | ICalendar journals | ICalendar VAVAILABILITY (RFC 7953) | CalDAV Scheduling | CardDAV | vCard Synchronization | User interface | Online store | .well-known URLs | FBURL | DNS SRV | handles home-sets |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AgenDAV | Cross-platform JavaScript Web browser | GNU GPL | Yes limited | No | Yes | — | Unknown | No | No Does not arrange meetings with participants | — | out of scope | AgenDAV's fullcalendar.io | No | No The used server is fixed in the configuration file | No Does not arrange meetings with participants | No the caldav-server settings need to be fixed in AgenDAV's configuration file | Yes |
Cadaver | Command-line | GNU GPL | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
aCal | Android | GNU GPL | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Unknown | — | Unknown | aCal | aCal | Unknown | Unknown | Unknown | Unknown |
AndroidCaldavSyncAdapater | Android | GNU GPL | Unknown | Unknown | Yes | — | Unknown | Unknown | Unknown | — | out of scope | Android | Google Play | Unknown | No Out of scope | Unknown | Unknown |
CalDavZAP | Cross-platform JavaScript Web browser | AGPL | No | No | Yes | Yes | Unknown | No | No Does not arrange meetings with participants | — | out of scope | CalDavZAP | No | No The used server is fixed in the configuration file | No Does not arrange meetings with participants | No The used server is fixed in the configuration file | Yes |
CardDavMATE | Cross-platform JavaScript Web browser | AGPL | No | No | out of scope | out of scope | out of scope | out of scope | out of scope | Yes vCard 3.0 only | No | CardDavMATE | No | No The used server is fixed in the configuration file | No Out of scope | No The used server is fixed in the configuration file | Yes |
InfCloud (CalDavZAP+CardDavMATE) | Cross-platform JavaScript Web browser | AGPL | No | No | Yes | Yes | Unknown | No | No Does not arrange meetings with participants | Yes vCard 3.0 only | No | InfCloud | No | No The used server is fixed in the configuration file | No Does not arrange meetings with participants | No The used server is fixed in the configuration file | Yes |
Chandler Desktop | Cross-platform Python | Apache | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Unknown | No | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
DAVx⁵ | Android | GNU GPL | No | No | Yes | Yes | Yes | out of scope | No (except attendees/invitations) | Yes | No (server always wins) | Android, OpenTasks | Google Play, OpenTasks | Yes | out of scope | Yes | Yes |
Tasks.org | Android | GNU GPL | No | No | No | Yes | No | No | No | No | No | Android | Google Play | Yes | No | No | Yes |
jqCalDAV | Cross-platform JavaScript Web browser | MIT | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Unknown | — | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
KCardDAV (discontinued) | Cross-platform Kontact add-on | GNU GPL | Unknown | Unknown | — | — | — | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
KOrganizer, KAddressBook, Kontact | Unix-KDE | GNU GPL | Unknown | Unknown | Yes | Yes | Yes | Unknown | Unknown | Yes | Unknown | KOrganizer KAddressbook | KOrganizer KAddressbook | Unknown | Unknown | Unknown | Unknown |
Lightning | Cross-platform Thunderbird Add-on | MPL, GPL, LGPL | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Unknown | — | Out of scope | Lightning | Lightning | Unknown | Unknown | Unknown | Unknown probably not |
CardBook | Cross-platform Thunderbird Add-on | MPL | No | No | Out of scope | Out of scope | Out of scope | Out of scope | Out of scope | Yes vCard 3.0 and vCard 4.0 | Yes | CardBook | Mozilla Add-ons (ATN) | Yes | Out of scope | No | partial |
MineTime | Cross-platform | Proprietary | No | No | Yes | No | No | No | No | No | No | No | MineTime | minetime.ai | No | No | No |
Mulberry | Cross-platform | Apache | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
Outlook CalDav Synchronizer | Windows | AGPL | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Unknown | Yes | Unknown | Outlook | Unknown | Yes | Unknown | Yes | Yes |
pyCardDAV | Cross-platform Python | MIT | Unknown | Unknown | — | — | — | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
The Bat! | Windows | Proprietary | Unknown | Unknown | No | No | No | Unknown | Unknown | Yes | Unknown | The Bat! | The Bat!'s address book | Unknown | Unknown | Unknown | Unknown |
Inverse SOGo Connector-Integrator | Cross-platform Thunderbird Add-on | MPL, GPL, LGPL | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Unknown | Yes | Unknown | Mozilla | Mozilla Add-ons | Unknown | Unknown | Unknown | Unknown |
Evolution | Cross-platform | GNU GPL | No | No | Yes | Yes | Yes | No | No | Yes vCard 3.0 only | Unknown | Evolution | Evolution | Yes | Yes if the URL does not require authentication | Yes | Yes |
ReminderFox | Cross-platform Firefox | MPL 1.1 | Unknown | Unknown | Yes | Yes | Unknown | Unknown | No | — | Unknown | ReminderFox | Yes | Unknown | Unknown | Unknown | Unknown |
There are more clients, mentioned for completeness:
- For the command line: Vdirsyncer (for WebDAV) + Khal (for calendaring) or + Khard (for contacts)
- Apple's iCal and Calendar
- For Windows and Mac eM Client
- Windows built in-support (kind of)
- For the Web: Kronolith
- For Android: CalDAV Sync, CardDAV Sync, iCal Import/Export CalDAV
Server implementations
Server name | License | Programming language | RFC 2616 HTTP/1.1 | RFC 2617 HTTP auth. | RFC 2518 WebDAV | RFC 3253 WebDAV vers. | RFC 3744 WebDAV ACL | RFC 4324 iCal CAP | RFC 4331 WebDAV quota | RFC 4709 WebDAV mount | RFC 4791 CalDAV | RFC 4918 WebDAV ext. | RFC 5397 WebDAV current principal | RFC 5545 rev. iCal
(Availability Check) |
RFC 5546 iCal iTIP(Group Scheduling) | RFC 5689 WebDAV ext. MKCOL | RFC 5995 WebDAV POST add member | RFC 6352 CardDAV vCard | RFC 6578 WebDAV sync | RFC 6638 CalDAV sched.(Auto-Schedule) | RFC 7529 iCal RSCALE | RFC 7540 HTTP/2 | RFC 7809 CalDAV time zones by ref. | RFC 7953 iCal VAVAILABILITY | Free-busy URL |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Baïkal | GNU GPL | PHP | Yes | Yes | Yes | No | Some | No | No | No | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Unknown | Yes | Unknown | Unknown | Yes |
Bedework | Apache | Java | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Yes | Yes | Unknown | Unknown | Yes | Yes | Yes | Unknown | Unknown | Unknown | Unknown | Unknown |
Calendar and Contacts Server | Apache | Python | Yes | Yes | Yes | Yes | Yes | No | Unknown | No | Yes | Yes | Yes | Yes | Yes | Yes | Unknown | Yes | Yes | Yes | Unknown | Unknown | Unknown | Unknown | Unknown |
Calypso | GNU GPL | Python | Yes | Yes | Yes | No | Unknown | No | Unknown | No | Yes | Yes | No | Yes | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
Cyrus IMAP | BSD | C | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
DAViCal | GNU GPL | PHP | Yes | Yes | Yes | Yes | Yes | Yes | Unknown | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Unknown | Yes | Unknown | Yes | Yes |
DavMail | GNU GPL | Java | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
Fennel | GNU GPLv3 | JavaScript | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
Group-Office | AGPL, proprietary | PHP | Yes | Yes | Yes | Unknown | Some | Unknown | Unknown | Yes | Yes | Yes | Yes | Yes | Unknown | Yes | Unknown | Yes | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown |
Horde Groupware | GNU LGPL | PHP | Yes | Yes | Yes | No | Some | No | No | Unknown | Yes | Yes | Yes | Yes | Yes | No | No | Yes | No | No | No | Yes | No | No | No |
Nextcloud | AGPL v3 | PHP | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown |
Open Xchange | GNU GPL, CC | Java, JavaScript | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
ownCloud | AGPL v3 | PHP | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown |
Radicale | GNU GPL | Python | Yes | Yes | Some | No | Some | No | Unknown | No | Some | Some | Some | No | Some | No | Unknown | Some | Unknown | No | Unknown | Unknown | Unknown | Unknown | Unknown |
SabreDAV | BSD | PHP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Unknown | Yes | Unknown | Yes | Unknown |
SOGo | GNU GPL | Objective-C | Yes | Yes | Unknown | Unknown | Some | Unknown | Unknown | Unknown | Some | Unknown | Unknown | Some | Unknown | Unknown | Unknown | Unknown | Some | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
Xandikos | GNU GPL | Python | Yes | Yes | Yes | Some | Some | No | No | No | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Unknown | Yes | No | No | Unknown |
Zarafa | AGPL, proprietary | PHP | Yes | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Read only | Unknown | Unknown | Unknown | Yes | Unknown | Unknown | Unknown |
Zentyal | GNU GPL | Perl | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
Meishi | BSD | Ruby | Yes | Yes'basic' | Someyes | Someno | Yesmuch of | No | Unknown | No | No | Unknown | Yes | No | No | No | Unknown | Some | Unknown | No | No | Unknown | No | No | Unknown |
Zimbra | GNU GPL | Java | Yes | Yes | Yes | Yes | Yes | No | Unknown | No | Yes | Unknown | Yes | Yes | Yes | Yes | Unknown | Yes | Unknown | Yes | Unknown | Unknown | Unknown | Unknown | Unknown |
- ^ PHP-based servers rely on the underlying web server platform for the implementation of HTTP.
The table is missing Kopano, Kerio Connect and Scalix, which are mentioned here for completeness.
See also
References
- AgenDAV project home
- "Cadaver home". Archived from the original on 2015-03-12. Retrieved 2015-03-11.
- "Main Page - ACal Wiki". Wiki.acal.me. 2013-04-01. Archived from the original on 2015-12-24. Retrieved 2015-12-23.
- "gggard/AndroidCaldavSyncAdapater ¡ GitHub". Github.com. Retrieved 2015-12-23.
- CalDavZAP
- CardDavMATE
- InfCloud (integrated version of CalDavZAP and CardDavMATE)
- Chandler Project Archived August 30, 2007, at the Wayback Machine
- DAVx⁵ website
- Tasks.org website
- jqCalDAV project home
- KCardDAV project home
- Lightning - Project Home
- CardBook source
- MineTime features
- Mulberry client configuration
- Outlook CalDav Synchronizer website
- pyCardDAV project home
- The Bat! - Features
- SOGo Overview
- ReminderFox project home
- "Baïkal". Retrieved 2021-03-10.
- Baïkal iCal export
- Bedework overview
- "Calendar and Contacts Server guiding standards". Archived from the original on 2012-01-01. Retrieved 2012-03-11.
- Calypso
- Cyrus IMAP Features
- DAViCal RFC Compliance
- DAViCal ChangeLog
- DavMail project home
- Fennel on GitHub
- Group-Office website
- Nextcloud home
- ownCloud home
- "A Simple Calendar and Contact Server". Retrieved 2015-11-20.
- SabreDAV Supported RFC's
- SOGo Overview
- 0003283: (read-only) Addressbook reports DAV:all privilege
- 0004822: Calender advertises wrong ACL for shared address books
- 0001310: CaldDAV calendar-query returns events out of specified range
- 0003161: Blackbery 10 can't edit event that was posted by KOrganizer (CalDAV)
- 0001204: update the icalendar handling to rfc 5545
- 0004747: SOGo creates invalid GEO value on import
- 0003608: Cannot save/display multiple calendar alerts for one calendar event.
- 0002574: No colors selectable if ressource ID contains space character
- 0005163: no carddav RFC 6578 compliance
- "Git-Backed CalDAV/CardDAV server". Retrieved 2022-06-06.Xandikos
- "Zentyal Community Edition official Site". Archived from the original on 2012-09-18. Retrieved 2014-11-28.
- "Meishi, A lightweight CardDAV server built on Rails 3; GitHub repository". GitHub. Archived from the original on 2018-06-11. Retrieved 2020-10-14.