Community  »  Applications  »  Kronolith

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.

1   Obtaining Kronolith

Further information on Kronolith and the latest version can be obtained at

2   Documentation

The following documentation is available in the Kronolith distribution:

README:This file
COPYING:Copyright and license information
docs/CHANGES:Changes by release
docs/CREDITS:Project developers
docs/INSTALL:Installation instructions and notes
docs/TODO:Development TODO list
docs/UPGRADING:Pointers on upgrading from previous Kronolith versions

3   Installation

Instructions for installing Kronolith can be found in the file INSTALL in the docs/ directory of the Kronolith distribution.

4   Assistance

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 (

5   Licensing

For licensing and copyright information, please see the file COPYING in the Kronolith distribution.


The Kronolith Team