ChatBot - Easy to use chatbot platform for business
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
CSML Playground - Play with CSML, the programming language for chatbots
Botsify - Ever wonder if you could replace your live chat support system with a chatbot?. Its possible now with Botsify Chatbot For Website.
Joonbot - Joonbot is a no-code and intuitive chatbot builder.