Proxyclick - Connect with Confidence
MakePlans - Online appointment booking - MakePlans
Envoy - Visitor registration that's changing how guests are greeted in companies around the world.
Appointment Booking Calendar - With the Appointment Booking Calendar you can accept online bookings from a set of available time-slots in the calendar.
SwipedOn - SwipedOn is a smart but simple visitor management solution. Our paperless gateway makes connecting people intuitive and easy.
Dudle - Dudle is an online scheduling application, which is free and open source.