Teamup Calendar - Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.
DialogTech - DialogTech is an end-to-end call attribution and conversion platform.
ApPHP Calendar - ApPHP Calendar is a PHP calendar script that may be easily integrated and used with various PHP projects, such as schedulers, event, etc.
CallTrackingMetrics - Know who is calling and how they found you. Maximize the return on your advertising.
UpTo - Life goes beyond meetings and appointments
Marchex - Marchex is a mobile advertising analytics company that connects online behavior to real-world, offline actions.