SoChat - Chat with everyone
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Ablo - Say hello to the world
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
chitchat - Chat Room with Selfies and Pagers (yes, pagers!)
ChatBot - Easy to use chatbot platform for business