# The publishing location or URL, <nowiki>http://calendar/</nowiki>, followed by the calendar name of your choice, such as Home, John, Kids, etc.
# A client calendar program
To publish or subscribe to a calendar in this server, you need three things:
#. A client calendar program (see below),
#. The publishing location or URL, which is: http://calendar/, and
#. The calendar name of your choice, typically Home, John, etc.
(Note: some clients may require that the name have the ical extension, e.g. Home.ics; you may need to experiment).
Calendars can be created with widely available clients such as:
* Apple iCal, for Mac OS X.
* Mozilla Sunbird, for multiple platforms.
* Windows Calendar, for Windows Vista.
* ... and many others.
Technically, this HDA has a WebDAV server, commonly used for sharing online calendars and other files.
IMPORTANT: Only one calendar publisher is supported per calendar.