Not really, they don't even cover half of these ones
https://developer.apple.com/reference/
Not to mention the related GUI tooling.
Where is Instruments on QtCreator, for example.
https://developer.apple.com/reference/
Not to mention the related GUI tooling.
Where is Instruments on QtCreator, for example.
The GNOME project itself [1] has a lot of projects which compete with what you linked. Sure, Apple has a few billion dollars to dump into development every year, so you have to adjust for scale.
Once upon a time, around 2000-2, I did some minor contributions to Gtkmm.