Fumadocs is a flexible and performant framework for building beautiful documentation sites, leveraging the full power of Next.js and React Server Components. It solves the common problem of rebuilding docs from scratch by providing composable blocks, similar to a headless system, so you can build exactly what you need. It's often called 'The Shadcn UI for docs' due to its high-quality, interactive components available through a simple CLI command.
Key features include: