Twilio - Brings voice and messaging to your web and mobile applications.
CSML Playground - Play with CSML, the programming language for chatbots
E-goi - Email Marketing companies, SMS Marketing, software email marketing.
RoboRep - Create conversational chatbots with empathy
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.
ChatBot - Easy to use chatbot platform for business