FullCalendar - FullCalendar is an open-source JavaScript event calendar.
Framadate - Make your polls
Fasterplan - Fasterplan is a collaborative tool that helps you and your friends/business partners to better...
Dudle - Dudle is an online scheduling application, which is free and open source.
FreeBu - Smart free/busy calendar sharing and meeting organizer.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.