When comparing NetBSD vs CRUX, the Slant community recommends CRUX for most people. In the question“What are the best operating systems for advanced users?” CRUX is ranked 11th while NetBSD is ranked 21st. The most important reason people chose CRUX is:
It uses the BSD ports system as package manager.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Adhere to the standard
It adheres to traditional Unix and new defined standards.
Pro It's Open Source
It's open source with a BSD License, which is much more business friendly than GPL. It's the real ancestor of Mac, that is being used nowadays.
Pro It's real
Under NetBSD csh is csh not tcsh; also vi is real vi not elvis, nvi or vim. It's ideal for purists.
Pro Architecture portability
It's the most portable OS in the world when considering what architectures it can run on. It runs on very wide range of hardware, from toaster to satellites. This of course does not mean it supports drivers for many consumer facing products making it a difficult solution to just boot up and use when compared to other OSs.
Pro Clean source code
It prioritizes source code cleanliness over anything.
Pro Ports
It uses the BSD ports system as package manager.
Pro Very BSD/UNIX-like
Pro Learning
Nice if you want to learn some stuff about Linux.
Pro Very knowledgeable and helpful user comunity via IRC
Cons
Con Lack of drivers
It lacks drivers for some new devices.
Con Very small user community
Con KISS
You have to do everything by yourself, there are no helpers!