Unimaginatively-named Calendar is a Web calendar application written in Java with a MySQL database. Calendars can be made private, semi-private, or public with a password-protected admin section. Subscriptions can be created to pull events from remote iCalendar sources and, of course, Sunbird and iCal users can subscribe. The display is easy to read and prints very well; its design is controllable using (customizable) themes that can also be used to filter events. Repeating events are supported, and single events can be scheduled at multiple arbitrary times (even if they don't form a pattern).
