> The "look and feel" of the program usually gives it away more or less immediately. If you are talking about the base controls, then maybe. But there are .Ne

> The "look and feel" of the program usually gives it away more or less immediately. If you are talking about the base controls, then maybe. But there are .Net cross-platform frameworks such as Avalonia that can get you a modern loooking UI with theming. https://github.com/irihitech/Semi.Avalonia https://github.com/irihitech/Semi.Avalonia https://github.com/AvaloniaUI/Citrus.Avalonia https://github.com/AvaloniaUI/Citrus.Avalonia etc.