Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Chatty - Chat with strangers all around the world in Messenger
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
Ablo - Say hello to the world
ChatBot - Easy to use chatbot platform for business
RoomChat - No sign up chatrooms with just a URL and your handle