It doesn't necessarily have to be multiple UIs (although that's probably better in the long term) but there are x-platform options like:
1) Eto.Forms (https://github.com/picoe/Eto) 2) Avalonia (https://github.com/AvaloniaUI/Avalonia)
1 karma · joined June 26, 2017
1) Eto.Forms (https://github.com/picoe/Eto) 2) Avalonia (https://github.com/AvaloniaUI/Avalonia)
Add a topic tag for Windows, when you have it available/working on Windows.
I just hate to have multiple projects spend resources on what is essentially the same thing. I think there are gains to be had by combining resources together.