FullCalendar - FullCalendar is an open-source JavaScript event calendar.
Appointment Booking Calendar - With the Appointment Booking Calendar you can accept online bookings from a set of available time-slots in the calendar.
Dudle - Dudle is an online scheduling application, which is free and open source.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
Pulse 24/7 - Booking & scheduling mobile app for service providers
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!