Twilio - Brings voice and messaging to your web and mobile applications.
Hive - Seamless project management and collaboration for your team.
E-goi - Email Marketing companies, SMS Marketing, software email marketing.
Swift SMS Gateway - SMS Gateway is your bridge between the Internet and the world of cell phone SMS text messaging.
ZujoNow - Video APIs and SDK for your applications. end-to-end video and audio communications, encoding, hosting, delivery, live streaming, and content delivery.
Tellephant - Helping you build incredible chatbots and integrate WhatsApp, Google, Facebook, SMS and more to your communication stack in seconds. All at the cheapest rates out there.