OS & Utility Software for BSD
Tor
Tor is free and open-source software and network that enables anonymous communication and browsing. Tor can be used to defend yourself from aggressive tracking, surveillance and censorship and provides a good base for anonymity online. The name Tor is derived from the original project name "The Onion Router".
FreeBSD Jails
Jails on the other hand permit software packages to view the system egoistically, as if each package had the machine to itself.
MidnightBSD
MidnightBSD is a new BSD-derived operating system developed with desktop users in mind.
DragonFly BSD
DragonFly belongs to the same class of operating systems as other BSD-derived systems and Linux.
OpenBSD
FREE, multi-platform 4.4BSD-based UNIX-like operating system
NetBSD
PowerPC, Alpha, SPARC, MIPS, SH3, ARM, amd64, i386, m68k, VAX: Of course it runs NetBSD.