Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
Framadate - Make your polls
Cogsworth - Make it easy for your customer to schedule time with you! Sync your Cogsworth to your calendar, set up your services, embed it on your website, and you're cooking with gas!
Dudle - Dudle is an online scheduling application, which is free and open source.
Invotes - Invotes saves you from the stress and constant communication of group event planning by creating...
FullCalendar - FullCalendar is an open-source JavaScript event calendar.