Schedules4Team - Share MS Outlook workgroup calendar and Free/Busy time without a server.
Calendarscope - Plan, schedule, and manage all of your appointments, events, tasks, and more.
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
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!
Task Plus - 3D popup calendar/scheduler, alarms, tasks, appointments
Visual Day Planner - Customizable network calendar that allows real-time updates by multiple users.