🆚 Fluent vs. GOV.UK Design System

Fluent Design System is Microsoft's cross-platform design language that defines how user interfaces should look and behave across Windows, web, and mobile applications.

It uses a unified set of design tokens for colors, spacing, icons, and typography, and supports adaptive layouts for different screen sizes.

The GOV.UK Design System is an open-source design system that provides styles, components, and patterns to help UK government teams build consistent, user-centered digital services.

It includes reusable and accessible UI components for forms, navigation, and content, documented patterns for common user tasks, and design guidance for layout, typography, and color, with code examples released under an MIT license and regularly tested to meet WCAG 2.2 AA accessibility standards.

Popularity

Determined by the number of sites using each technology.

• 🥉 Third most popular in Germany in the Design Systems category.
• 🥉 Third most popular in the United Kingdom in the Design Systems category.
• ⭐ 5th most popular in the United States in the Design Systems category.

• 🥈 Second most popular in the United Kingdom in the Design Systems category.
• 🥈 Second most popular in Slovakia in the Design Systems category.
• ⭐ 7th most popular in Slovakia in the UI Frameworks category.
• 🔥 15th most popular in the United Kingdom in the UI Frameworks category.

Top sites

Top-ranked sites that use these technologies.

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• Fluent technology profile
• Microsoft company profile

• GOV.UK Design System technology profile
• Cabinet Office company profile