[alargemoose]

The Emulator in that article, UTM SE, is a a GUI for QEMU. It’s also a MacOS app. I can confirm the “SE” version on iOS can run Linux, though I’ve not tried BSD.

UTM’s site also has a handful of pre-built images of various operating systems to make it easy to setup a VM to mess around with https://mac.getutm.app/gallery/