Calcium is a powerful, flexible, and easy to use web calendar system.Features include dynamic calendar merging; multiple views and formats;repeating events; Palm and Outlook sync; color and font customization;email reminders; iCalendar support; HTML support in events, calendarheaders, footers, etc; popup text with any event; searching & filtering;multi-language support; flexible security model, and more. It's fullysupported, and runs anywhere - no non-standard Perl modules necessary.