A better way to
build
React user
interfaces.
React Cosmos is a sandbox for developing and testing UI components in isolation.
It's fast, extendable and easy to install. Our users love it.
- Prototype quickly, debug easily
and maintain quality at scale. - Stay organized with a well-
designed component library.
Key Features
- Fixtures File-system based module convention for defining component states effortlessly.
- User Interface Playground for browsing fixtures and manipulating components. Learn more →
- Static Export Interactive component library deployable to any static hosting service.
- Integration Vite, Webpack, React Native, Next.js, and support for custom setups.
- Plugins Full-stack plugin system for extending every aspect of React Cosmos.
- High Quality 100% TypeScript. Minimal deps. Meticulously designed and tested.