--- /dev/null
+---
+title: Flutter
+homepage: https://flutter.dev
+tagline: |
+ Flutter is a UI Toolkit for mobile, web, and desktop.
+---
+
+## Updating `flutter`
+
+```bash
+webi flutter@stable
+```
+
+Use `@lts` for long-term support and the `@beta` and `@alpha` tags for
+pre-releases and dev releases, or `@x.y.z` for a specific version.
+
+## Cheat Sheet
+
+> Flutter is Google’s UI toolkit for building beautiful, natively compiled
+> applications for mobile, web, and desktop from a single codebase.
+
+### How to create a new app
+
+```bash
+flutter create my_app
+```