C# has been more focused on Windows but there it has been very easy to create gui applications. In fact there are probably more (Windows) gui applications made

C# has been more focused on Windows but there it has been very easy to create gui applications. In fact there are probably more (Windows) gui applications made with C# than with any other language. Maybe Electron and js has taken over now. For C# on Linux Avalonia looks promising. https://avaloniaui.net/ https://avaloniaui.net/