I was involved with one of those some time ago. My answer to your question: NetBSD: mostly developed by people passionate about system design, trying to come u

I was involved with one of those some time ago. My answer to your question: NetBSD: mostly developed by people passionate about system design, trying to come up with nice solutions and also want to run these systems for their own use. Majority of devs actually use the system daily. FreeBSD: Gets most corporate support and the most pragmatic in a way, that it’s developed mostly as something that they need for a specific purpose. Most devs had Macs a couple years ago on conferences. OpenBSD: Highly opinionated and elitist: what works usually works well, but mostly in an old school way (so don’t expect fancy OS features). They eat their own dog food, so it runs great on laptops.