Calendars can be created with widely available clients such as:
* [http://www.apple.com/macosx/features/ical/ Apple iCal], for Mac OS X:<br />[[Image:ical2.jpg|iCal]] [[Image:ical1.gif|iCal]]
* [http://www.mozilla.org/projects/calendar/ Mozilla Sunbird and Lightning (a perfect calendar companion for Thunderbird)], for Windows, Mac and Linux.
attachment:sunbird.png <br> attachment:lightning.png