Chat Bots Weekly - A weekly curation of everything important in chat bots
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Botkit - Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.
ChatBot - Easy to use chatbot platform for business
Meya.ai - Build, train and host sophisticated bots.
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.