My Agenda - Personal 'Agenda' - an address and phone 'agenda', with lists, birthday, etc.
OfficeCalendar - Share Outlook calendar and contacts - affordable Exchange Server alternative.
Active Calendar - ASP.NET server control that allows users to select dates quickly
Calendar - Create lists of all your important events, aniversaries, things to do, etc.
ToDo Reminder - Create lists of all the tasks you have To Do and remember..
Infocetera - Web-based information management - calendar, chat, whiteboard
BubbleClock - Semitransparent clock, calendar, reminder and time zone map.
Better Memory - Great reminder program for birthdays, anniversaries and other occasions
Date Calc - Save time! Let DateCalc count the days before, after or between two dates.
Date Reminder - Don't forget an important date again! Create lists of all your important dates.