PHP Event Calendar - PHP event calendar script with multiple views and many customizing options.
Qminder - Qminder works the way it sounds: It helps a company mind its queues.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
Zenlist - Google ads for classifieds
Yahoo! Calendar - You can view an entire month or focus on a specific date and time.
FlexQ - Beyond a queue management system, Flexq is a unique solution that helps you reinvent the customer journey.