Pushbullet - Pushbullet - Your devices working better together

GoPad for Schools - School Management

Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop

Sawyer - Discover a wonder-filled world of kids classes, camps, events, and activities, right in your neighborhood

Gotify - a simple self-hosted server for sending and receiving messages

Yusp - Yusp is a next generation, real-time personalization engine having all product modules as defined by Gartner for various business models.