NotifyMate

It provides you to create interactive push notification message and then send it through across all Windows devices, and so actively engage your customers and community.

Allows you easily to subscribe/unsubscribe message without providing an email address and mobile no. It protects your privacy.

The typical example is sending (broadcasting) emergency notification in real time, remind future events, promote products and birthday greetings, etc. It has location notification service to let people know your current position in real time. See more details on website http://www.u2a.com.au