Suppose it is a programming language runtime, a database, an app server? Many of those get ported to Mac, but very little (or even none) of their code needs to talk to Cocoa, since they are mostly headless server components (or have CLI interfaces only).
Why port that kind of stuff to macOS? Obviously it isn't going to be the deployment platform, but developers will want to run that stuff locally during development. (Less important than it used to be with the popularity of Docker on Mac, although still it can be a bit more developer-friendly to run things directly on macOS instead of under Docker.)
Why port that kind of stuff to macOS? Obviously it isn't going to be the deployment platform, but developers will want to run that stuff locally during development. (Less important than it used to be with the popularity of Docker on Mac, although still it can be a bit more developer-friendly to run things directly on macOS instead of under Docker.)