Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Public - Group chats.
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
ChatBot - Easy to use chatbot platform for business
Chalk - Chalk is a calculator that tries to do right what others do wrong.