Fluent UI
Microsoft's open-source UI framework for consistent, accessible experiences across web, Windows, iOS, Android, and macOS.
Product Overview
Fluent UI is Microsoft's comprehensive open-source design system and component library for building modern, consistent, and accessible applications across platforms. It includes Fluent UI React (web), Fluent UI React Native (mobile), and Fluent UI Apple/SwiftUI (iOS/macOS), with a unified design language based on Fluent Design principles like light, depth, motion, material, and scale. Widely used in Microsoft 365 products (Teams, Office, Windows), it enables developers and designers to create cohesive experiences with reusable components and guidelines. Cross-Platform Components: Shared design tokens and patterns for web (React), mobile (React Native), and native (SwiftUI/WinUI). Component Library: Hundreds of ready-to-use elements like buttons, navigation, data grids, and controls with variants. Design Tokens: Colors, typography, motion, icons, and spacing for theming. Accessibility: WCAG compliance, high-contrast modes, and keyboard navigation. Tools: Figma kits for prototyping; code packages for React and React Native.
Best For
Teams building scalable, consistent digital products.
Key Features
- Cross-Platform Components: Shared design tokens and patterns for web (React), mobile (React Native), and native (SwiftUI/WinUI).
- Component Library: Hundreds of ready-to-use elements like buttons, navigation, data grids, and controls with variants.
- Design Tokens: Colors, typography, motion, icons, and spacing for theming.
- Accessibility: WCAG compliance, high-contrast modes, and keyboard navigation.
- Tools: Figma kits for prototyping; code packages for React and React Native.
Pros
- +Open source
- +Real-time collaboration
- +Extensive icon library
- +Color palette generation
Cons
- -Adoption requires team alignment
- -Customization can be complex
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