Projects / Kronolith


Kronolith is the Horde calendar application. It provides a stable and featureful individual calendar system with integrated collaboration and scheduling features. It makes extensive use of the Horde Framework to provide integration with other applications. It implements a solid, stand-alone calendar system, allowing repeating events, all-day events, custom fields, keywords, shared calendars, iCalendar support, generation of free/busy information, and managing multiple users through Horde Authentication.

Operating Systems

Recent releases

  •  17 Jun 2014 12:20

    Release Notes: Updated translations, small bugfixes, and improvements.

    •  04 Jun 2014 16:59

      Release Notes: Synchronizes attendees via CalDAV. Small bugfixes.

      •  21 May 2014 16:55

        Release Notes: This release improves ActiveSync synchronization of event resources.

        •  07 May 2014 07:12

          Release Notes: This release fixes dependency and small bugs.

          •  05 May 2014 21:35

            Release Notes: Adds a script to import from Open-Xchange. Synchronizes multiple calendars via ActiveSync. Synchronizes shared calendars via CalDAV. Improved free/busy display. Improved sorting of events in month view. Improved task interfaces. Adds Oracle support. Further improvements.


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