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Mix

Mix is a free, open-source design system built with Flutter. Mix is a styling system for Flutter that separates style definitions from widget structure. It has 802 GitHub stars and is released under the BSD-3-Clause license. A live demo is linked from this page.

github.com/btwld/mix (opens in a new tab)

Get started

Copy the files into a new folder with degit (no git history), or clone the repository with git.

Copy with degit
npx degit btwld/mix my-ui
cd my-ui
flutter pub get
flutter run
Or clone with git
git clone --depth 1 https://github.com/btwld/mix.git my-ui

Sources: GitHub docs on template repositories, degit.

About Mix

Mix is a styling system for Flutter that separates style definitions from widget structure. It provides a composable, type-safe way to define and apply styles using a fluent API, design tokens, and context-aware variants.

Built with

  • Flutter
GitHub preview card for btwld/mix
GitHub social preview of btwld/mix. Open the live demo for the real design.

FAQ

Mix FAQ

Still curious? Email info@appsgit.com.

What is Mix?

Mix is a free, open-source design system built with Flutter. Mix is a styling system for Flutter that separates style definitions from widget structure. It has 802 GitHub stars and is released under the BSD-3-Clause license. A live demo is linked from this page.

How do I use Mix?

Copy the files into a new folder with npx degit btwld/mix my-ui (no git history), or fork the repository on GitHub. Then follow the README for the install and dev commands.

Can I use Mix for commercial projects?

Yes. Mix is released under the BSD-3-Clause license, a permissive license that allows commercial use as long as you keep the copyright and license notice. Third-party assets bundled with it (images, fonts, icons) may have their own terms.

Is Mix maintained?

The repository's most recent commit was on Oct 6, 2026. Its latest release is mix-v2.0.1. appsgit only lists templates from repositories with a commit in the last six months.