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bdlukaa/fluent_ui

This is a comprehensive Flutter UI library that implements the Windows 11 Fluent Design system, providing a complete set of native-style controls including buttons, forms, navigation components, and pickers. It supports multi-platform development across Windows, macOS, Linux, and Web, with built-in localization and theming capabilities. The system also includes tooling for generating icon sets and color resources, alongside extensive test coverage for its components.

58.9

Adequate · 1 August 2026

74k

lines of production code

Dart

primary language

1

bus factor · 130 authors in all

3

measurements over time

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How it got here

2020 · Fluent Design system and control expansion

This period focused on implementing the complete Fluent Design system, introducing new theme, color, and typography APIs alongside a comprehensive set of new UI controls for surfaces, inputs, and utilities. The library's public API was restructured to consolidate exports, and the example application was updated to demonstrate the new navigation and theming capabilities.

10 changes

2021–2022 · comprehensive component and example expansion

This period focused on significantly expanding the library's component set, introducing new form, navigation, and picker controls alongside a complete redesign of the NavigationView. Concurrently, the example application was extensively updated to demonstrate these new features, featuring a modularized structure and broadened localization support.

21 changes

2023–2025 · UI component expansion and platform support

This period focused on significantly expanding the library's UI toolkit by introducing a wide array of new controls, including buttons, layout widgets, and complex interactive elements like the ColorPicker. The work also extended the example application to support Linux desktop environments and added tooling for Windows icon generation.

8 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 1 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit 1c55fc66d3 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
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