WebCalendar

WebCalendar is a powerful group calendaring and scheduling system. It is a web based application that makes it easy to publish and manage calendar events on the internet. WebCalendar includes an impressive set of business class features such as Multiple View, Shared/Group Calendars, Schedule Reminders, Overlaid Calendars, Attendance Confirmation, Multiple Authors, Public Calendars, Overlapping Event Checking, Import from VCalendar, Task Manager, Address Book, Diary System, Multilingual, and more.