Storybook
by storybookjs
Interactive UI Component Development & Testing Environment
Build, test, and document UI components in isolation across React, Vue, Angular, and more with interactive visual testing workflows.
- 89,107+ GitHub stars
- Built with TypeScript
- Framework-agnostic support for React, Vue, Angular, Svelte, and Web Components
- MIT License license
About This Project
Storybook transforms how development teams build user interfaces by providing a dedicated sandbox environment for component development. Instead of spinning up your entire application to work on a single button or form, you can develop and test components in complete isolation, dramatically accelerating your workflow and reducing context-switching overhead.
This powerful workshop environment supports all major frontend frameworks including React, Vue, Angular, Svelte, and Web Components. It automatically generates interactive documentation from your component stories, making it invaluable for design systems and component libraries. Each component variation becomes a "story" that developers and designers can browse, interact with, and test independently.
Beyond development, Storybook serves as a living style guide that stays synchronized with your codebase. Teams use it for visual regression testing, accessibility audits, and component API documentation. With extensive addon support, you can integrate testing tools, design tokens, and collaboration features directly into your component workflow.
The platform integrates seamlessly with modern build tools like Webpack and Vite, and supports advanced features like hot module replacement, responsive viewport testing, and automated visual testing. Whether you're building a small project or maintaining an enterprise design system, Storybook scales to meet your needs.
Key Features
- Framework-agnostic support for React, Vue, Angular, Svelte, and Web Components
- Component isolation for focused development without running full applications
- Auto-generated interactive documentation from component stories
- Extensive addon ecosystem for testing, accessibility, and design tools
- Hot module replacement and fast refresh for instant feedback
- Visual regression testing and responsive viewport simulation
- Integration with modern bundlers including Webpack and Vite
- Collaborative design system management and component versioning
How You Can Use It
Developing and testing UI components independently from application logic
Creating and maintaining design systems with interactive documentation
Performing visual regression testing and accessibility audits on components
Onboarding new developers with browsable component libraries
Collaborating between designers and developers using shared component references
Building component libraries for distribution across multiple projects
Who Is This For?
Frontend developers, UI/UX engineers, design system teams, and organizations building component-based applications across any modern JavaScript framework