Rayon AI is described as 'Intelligent AI-powered conversation agent'. There are more than 25 alternatives to Rayon AI, not only websites but also apps for a variety of platforms, including Windows, Self-Hosted solutions, Mac and SaaS. The best alternative is UR-Browser, which is free. Other great sites and apps similar to Rayon AI are Botpress (Free, Open Source), Wexond (Free, Open Source), Dialogflow (Freemium) and Microsoft Bot Framework (Free).
Botpress is an open-source conversational AI platform with a comprehensive set of functionalities for FAQ & task automation. It's lightweight and have zero external dependencies allowing you to deploy it anywhere.
Servo is an open-source, nodeJS conversational AI framework for developers. It automatically deals with contextual, complex conversations, and comes with a visual conversation editor, a debugger, database connectors, automated testing and much more.