Mixmax Calendar - The fastest way to schedule meetings with anyone, anywhere
Clockwise - Time & attendance tracking with QuickBooks integration
Meetingbird for Gmail - View your calendar and schedule meetings right from Gmail
Schedulr - Schedulr makes it easy to meet with others w/out the headache of back-and-forth emailing.
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
Teamup Calendar - Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.