CozyCal - Online appointment scheduling
WeTime - No more back and forth between Gmail and Google Calendar, schedule your meetings from within your...
SavvyCal - A scheduling tool both the sender and the recipient will love.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
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!
OpenSondage - Make your polls with OpenSondage.