It's called Darling [0], but is not nearly as far along as Wine is.

[0] https://www.darlinghq.org/

yes, whisky

https://github.com/Whisky-App/Whisky

> A modern Wine wrapper for macOS built with SwiftUI

I think you misunderstood GP's request of "running macOS apps on Linux" so you swapped the host and guest OS, and then transposed the guest OS under "emulation"

Dang, you're right, I was a bit quick there and misread. Sorry about that.