ChaosBot is described as 'Social coding experiment to see what happens when the absolute direction of a software project is turned over to the open source community' and is an app. There are more than 10 alternatives to ChaosBot for a variety of platforms, including Web-based, SaaS, Mac, Windows and Linux apps. The best ChaosBot alternative is Amazon Lex. It's not free, so if you're looking for a free alternative, you could try SAP Conversational AI or Dialogflow. Other great apps like ChaosBot are Wit.ai, Watson Conversation, Plantt and rasa NLU.