Primer
Design, build, and create with GitHub’s design system
Primer was created for GitHub by GitHub. We love it so much, we chose to open-source it to allow the community to design and build their own projects with Primer.Everything in one system
Check out our most popular tools to use in your next project
CSS framework
Utility-centric and BEM-style components to give you the building blocks for any web project.
React components
Presentational UI components with encapsulated styles and constraint-based theme props.
Figma components
Design layouts, flows, wireframes, and make prototypes with Primer components in Figma.
Open source
Primer is open-sourced on GitHub. Contributions and feedback are welcome!
Contribute on GitHub