Update: If you like the way this sounds, you'll want to checkout Plaxo, who purchased HipCal and integrated their functions!

Personal organizing and task management tools. Use HipCal to organize dates, events, meetings and contact information. HipCal features an online calendar, alert reminder, group calendar, and address book. Mark all your events on your calendar and receive alerts on upcoming events. Your alerts may be sent via your cell phone or email. Keep all your group members in the loop by creating all group calendar. Group calendars are available for group events, meetings and projects. Create an address book with contact information from your friends, family members and colleages. Visit the Blog, Forum and Media section. Read about recent news and updates or write any suggestions that you have. Download wallpapers and buddy icons in the Media section. Sign up for a demo account.