Mixmax Calendar - The fastest way to schedule meetings with anyone, anywhere
Google Calendar - Spend less time managing your day & more time enjoying it
Clockwise - Time & attendance tracking with QuickBooks integration
Schedulr - Schedulr makes it easy to meet with others w/out the headache of back-and-forth emailing.
Clean Google Calendar - Makes Google Calendar look nicer & launches as a desktop app
Teamup Calendar - Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.