Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Voiceflow - Build voice apps in your browser without coding
Botsify - Ever wonder if you could replace your live chat support system with a chatbot?. Its possible now with Botsify Chatbot For Website.
Jovo - 🗣 Build cross-platform apps for Alexa and Google Home
JAICP - JAICP (Just AI Conversational Platform) is a full-fledged conversational platform: scalable, NLP-powered, and secured. Build chatbots, voice assistants, smart devices in the snap of a finger
Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda