Thought Industries - Discover the power of delivering quality, engaging, white-labeled learning experiences that are mission critical to your business.
Appointment Booking Calendar - With the Appointment Booking Calendar you can accept online bookings from a set of available time-slots in the calendar.
SuperSaaS - Online appointment scheduler for any type of business. Flexible and affordable booking software that can be integrated into any site. Free basic version.
Dudle - Dudle is an online scheduling application, which is free and open source.