Flutter’s UI-tooling is native code and as it works with standard Windows API calls, you can use it with new or existing code. Flutter is built around the latest version of Google’s Dart language.

Flutter 2.5, the latest version of Google’s UI toolkit for native application development, offers better performance as well as full-screen enhancements for Android. Introduced September 8 ...

Google announced the first stable release of Flutter, its cross-platform UI toolkit. Flutter is intended to help developers build attractive, native app experiences from a single codebase.

Flutter is an open source mobile UI framework that allows developers to make super-fast, cross-platform mobile apps. "But wait!" you're saying, "Google already has a mobile SDK! It's called ...