Flutter

Flutter is an open-source mobile application development framework created by Google. It uses the Dart programming language and provides a reactive programming model for building user interfaces. It allows developers to create high-performance, visually attractive apps for iOS, Android, and the web, with a single codebase.

Flutter also offers a wide range of customizable widgets, which can be used to create visually attractive and responsive user interfaces. The framework also provides a rich set of animations and gesture support, which makes it easy to create visually engaging apps.

In addition, Flutter has a growing and active community, which has contributed a wide range of packages and plugins that can be used to add functionality to your app.

Website: https://flutter.dev/

Flutter Complete Documentation