Flutter is Google’s cross-platform user interface (UI) framework that that promises to give developers a way to build UIs for native Android and iOS apps, web apps, and desktop from a single codebase.

Google last year said that 500,000 developers are using Flutter toolkit, which is open-source and one of the fastest-growing languages on Github. […]
https://officerambo.com/google-seeks-microsofts-help-to-improve-flutter-apps-on-windows-10/