JayPad - JayPad is a simple web app to make plans in a group or collaborate easily
CozyCal - Online appointment scheduling
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
Letsfind - Letsfind is a fast, easy-to-use, ad-free way to create online (meeting) polls.
Zangi Business Solutions - Zangi Business Solutions is a platform that offers secure and private communication such as IM, calls, conferences, and file sharing on one unified platform.
FullCalendar - FullCalendar is an open-source JavaScript event calendar.