Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian uses the Linux and kFreeBSD kernels (the core of operating systems), but most of the basic OS tools come from the GNU project; hence the names GNU/Linux and GNU/kFreeBSD.
NetBSD is a free, secure, and highly portable Unix-like Open Source operating system available for many platforms, from 64-bit Opteron machines and desktop systems to handheld and embedded devices. Its clean design and advanced features make it excellent in both production and research
... [More] environments, and it is user-supported with complete source. Many applications are easily available through pkgsrc, the NetBSD Packages Collection.
OpenHUB results caution:
Check the "Analyzed timespan ago" line before concluding anything about recent project activity, and the repo download status before judging single contributors. [Less]
lshw (Hardware Lister) is a small tool to provide detailed information on the hardware configuration of the machine. It can report exact memory configuration, firmware version, mainboard configuration, CPU version and speed, cache configuration, bus speed, etc. on DMI-capable x86 or EFI (IA-64)
... [More] systems and on some PowerPC machines (PowerMac G4 is known to work). [Less]