BSD

The OpenBSD project produces a freely available, multi-platform 4.4BSD-based UNIX-like operating system. Our goals place emphasis on correctness, security, standardization, and portability. OpenBSD supports binary emulation of most binaries from SVR4 (Sol

FreeSBIE is a live system on CD, or an operating system that is able to load directly from a bootable CD, without any installation process, without any hard disk. It's based on the FreeBSD operating system.

FreeBSD is an advanced operating system for x86 compatible, AMD64, DEC Alpha, IA-64, PC-98 and UltraSPARC® architectures. It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley. It is developed and maintained by

The NetBSD Project is an international collaborative effort of a large group of people, to produce a freely available and redistributable UNIX-like operating system, NetBSD. In addition to our own work, NetBSD contains a variety of other free software, in