Twilio - Brings voice and messaging to your web and mobile applications.
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.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Signal Vine - Signal Vine is a texting solution that gives higher education institutions the power to boost enrollment, retention, and graduation rates through messaging.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
STARS Campus for Career Colleges - STARS Campus Solutions is a web-based campus management system that brings a comprehensive approach to student contact management.