Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Localytics - App analytics and marketing for iPhone, iPad, Android, HTML5, Blackberry and Windows apps.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Liftoff.io - eCommerce & web to print platform
Plivo - Plivo simplifies your customer engagement.
Widdit - Widdit provides tools that help app developers create an interactive online experience for users on both PC and mobile ecosystems.