DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
InformaCast - InformaCast is a leading mass notification software solution that helps organizations reach everyone with critical information.
Notifuse - A 1-to-many notification API that's simple to use
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.
Text Alerts - Mobile Text Alerts allows administrators to send out mass SMS text messages to groups, it is useful way to keep group members informed about quick announcements.
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.