This tutorial series shows how to create a chatbot with the Microsoft Bot Framework Node.JS SDK v4 from end-to-end, including brainstorming, using the MSBot for connected services, integrating QnA Maker and LUIS, prototyping with Chatdown, and programming with the Node.JS SDK and TypeScript. The Microsoft Bot Framework is a framework for building chatbots that allows you to deploy to multiple channels, including Skype, Slack, Microsoft Teams, and Facebook Messenger.