Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Tars - TARS enables users to create chatbots that replaces regular old webforms.
ChatBot - Easy to use chatbot platform for business
BotList - An app store for bots
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
Bot Hunter Bot - Curated bots delivered weekly, by a bot