OpenBSD

http://www.openbsd.org/:

"The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. OpenBSD supports binary emulation of most programs from SVR4 (Solaris), FreeBSD?, Linux, BSD/OS, SunOS? and HP-UX."

related stuff:

• OpenBSDonHP9000

-- MatthiasWientapper - 12 Oct 2003