Earlier quoted context omitted.
Not really. GNU/Linux doesn't have desktop stack capable of matching Objective-C, Swift frameworks both in feature set and related GUI tooling.
How thorough of a survey have you done?
Still use GNU/Linux on my travel netbook and of course, some of our servers run it. Last time I used Qt in anger was 5.3, while trying to do a mobile project that I eventually ported to pure native APIs.
Do you know of any other frameworks, besides those that cover all of these ones?