Calendar Builder - Use Calendar Builder to quickly and easily make your own custom calendars.
Alarm Master - Skinnable PIM with alarm clock, scheduler, calendar and timer.
Visual Calendar Planner - A network enabled calendar that allows real-time updates by multiple users.
Ultra Calendar Reminder - calendar reminder, support desktop clock and instant message
Alarm++ - Repeating alarms at many intervals display msgs, play sounds, send mail, run app
TaskCapture - A Personal Timekeeping Solution that Takes the Task Out of Timesheets
Task Plus - 3D popup calendar/scheduler, alarms, tasks, appointments
NaturCalendar - Classic Calendar. Powerful Reminder. World's Holidays. Intuitive Scheduler.
AllDay - Calendar for year overviews. Gregorian, Julian, Jewish, Islamic calendars.
WinOrganizer - Use the power of WinOrganizer to help manage information effectively!