Build better Flutter UI with fluent_ui
Microsoft's WinUI3 in Flutter.
fluent_ui is an open-source UI component library for Flutter mobile app development, with 3,444★ on GitHub and last updated on 2026-07-08. This guide covers what fluent_ui does, why it matters in 2026, how to add it to your project, when to reach for it, and how it compares to the alternatives — plus a quick FAQ.
What is fluent_ui?
Microsoft’s WinUI3 in Flutter. It focuses on building polished, reusable interface widgets faster. The project lives at bdlukaa/fluent_ui and is maintained by bdlukaa.
Why fluent_ui is worth knowing in 2026
fluent_ui carries 3,444 GitHub stars, 505 forks, 45 open issues. It has been around since 2020, and is actively maintained (updated within the last month). For a UI/Components option, that combination of adoption and upkeep usually means a healthy community, production usage, and plenty of examples to learn from — the things that make a dependency safe to build on.
Installing fluent_ui
Add the package to your pubspec.yaml:
dependencies:
fluent_ui: ^latest
Then fetch it and import it in your Dart code:
flutter pub get
import 'package:fluent_ui/fluent_ui.dart';
Check the package’s example/ directory and its pub.dev page for the exact API — fluent_ui is versioned there with full docs so you always integrate against the current release.
When should you use fluent_ui?
Reach for fluent_ui when:
- you need a ready-made widget instead of building one from scratch
- you want a consistent look across screens
- you’re prototyping a mobile app UI quickly
It’s especially relevant if your project touches dart, fluent-design, fluent-ui, flutter, flutter-favorite, uwp.
fluent_ui vs. the alternatives
If you’re weighing options in the UI/Components space, these are the other projects developers most often compare fluent_ui against:
- Build better Flutter UI with rustdesk
- Build better Flutter UI with hiddify-app
- Build better Flutter UI with Best-Flutter-UI-Templates
- Build better Flutter UI with flet
There’s no single winner — the right pick depends on your app’s size, your team’s familiarity, and your performance budget. Browse the full UI/Components collection to compare them side by side.
Frequently asked questions
Is fluent_ui free to use?
Yes. fluent_ui is open source and free to use in your Flutter projects. You can view the source, report issues, and contribute on GitHub.
Does fluent_ui work on both iOS and Android?
fluent_ui is built for Flutter, so it targets iOS and Android from a single codebase, and typically web and desktop too depending on the project’s platform support.
How popular is fluent_ui?
As of 2026, fluent_ui has around 3,444 stars and 505 forks on GitHub, which puts it among the more widely used options in the UI/Components space.
What are good alternatives to fluent_ui?
Popular alternatives in the UI/Components category include rustdesk, hiddify-app, best-flutter-ui-templates. The best choice depends on your app’s size, team, and performance needs.
How do I install fluent_ui?
Add fluent_ui to the dependencies section of your pubspec.yaml and run flutter pub get. Full versions and API docs are on pub.dev.
Resources & links
- GitHub: bdlukaa/fluent_ui
- pub.dev: fluent_ui
- Video tutorials: search YouTube for fluent_ui
Part of FlutterCook — 500 hands-on guides to the best open-source Flutter libraries, UI kits, and apps. Explore the live GitHub trends or browse YouTube guides.