This is a list of some of the calendaring applications that support the iCalendar format.

• iCal - Mac OS X compatible.
• Mozilla Calendar - Windows, Linux, Mac OS X compatible.
• eventSherpa - Windows compatible
• WinDates - Windows compatible
• PHP iCalendar - Windows, Linux, Mac OS X compatible (included in Tasks Pro™ distribution).

Tasks Pro™ will create iCalendars for each group and individual user. If you want to use these features, make sure iCalendars are enabled in the Server Settings and your Preferences.