restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.

DialMyCalls - The easy to use mass and emergency notification platform. Send a phone call, text message or e-mail to your entire list of people in seconds.

Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

Call-Em-All - Call or send messages to friends and family members as well as other people who are online. The app allows you to create a message and send it out to multiple devices and pages.

RemoteStorage - An open protocol for per-user storage OWN YOUR DATA

InformaCast - InformaCast is a leading mass notification software solution that helps organizations reach everyone with critical information.