https://www.xamarin.com/forms https://www.xamarin.com/forms Mac desktop support is in preview (https://blog.xamarin.com/preview-bringing-macos-to-xamarin-forms

https://www.xamarin.com/forms https://www.xamarin.com/forms Mac desktop support is in preview (https://blog.xamarin.com/preview-bringing-macos-to-xamarin-forms/ https://blog.xamarin.com/preview-bringing-macos-to-xamarin-f...), and Linux and WPF backends are in development. So ... almost there!