xyd is an open-source documentation framework designed for modern development workflows. It features built-in themes, plug-and-play development server with hot reload, OpenAPI/GraphQL API documentation generation, and extensive customization options. The framework includes batteries-included features like analytics integration, A/B testing, full-text search, live chat, and SDK generation capabilities. Created by LiveSession, xyd aims to provide a comprehensive solution for building documentation at scale with developer experience as a priority.