What is Kronolith?
Kronolith is the Horde calendar application. It provides web-based calendars backed by a SQL database or a Kolab server. Supported features include Ajax and mobile interfaces, CalDAV support, shared calendars, remote calendars, invitation management (iCalendar/iTip), free/busy management, resource management, alarms, recurring events, tasks integration, import and export functions (iCalendar and CSV formats), and a number of different calender views.
This software is OSI Certified Open Source Software. OSI Certified is a certification mark of the Open Source Initiative.
Further information on Kronolith and the latest version can be obtained at
The following documentation is available in the Kronolith distribution:
|LICENSE:||Copyright and license information|
|doc/CHANGES:||Changes by release|
|doc/INSTALL:||Installation instructions and notes|
|doc/TODO:||Development TODO list|
|doc/UPGRADING:||Pointers on upgrading from previous Kronolith versions|
Instructions for installing Kronolith can be found in the file INSTALL in the
doc/ directory of the Kronolith distribution.
If you encounter problems with Kronolith, help is available!
The Horde Frequently Asked Questions List (FAQ), available on the Web at
Horde LLC runs a number of mailing lists, for individual applications and for issues relating to the project as a whole. Information, archives, and subscription information can be found at
Lastly, Horde developers, contributors and users also make occasional appearances on IRC, on the channel #horde on the Freenode Network (irc.freenode.net).
For licensing and copyright information, please see the file LICENSE in the Kronolith distribution.
The Kronolith Team