GitHub Primer vs GOV.UK Design System
| GitHub Primer | GOV.UK Design System | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | self-hosted, Web |
| Primary asset format | figma | — |
| Design-system ready | Yes | Yes |
| Responsive components | Yes | Yes |
| Accessibility guidance | Yes | Yes |
| Free plan | — | Yes |
| License scope | — | commercial |
Both are listed in Best UI Kit Libraries. On Everything Xiaomi, GOV.UK Design System scores higher on our published basis.