The OpenBSD project produces a freely available, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts place emphasis on portability, standardization, correctness, and security. OpenBSD supports binary emulation of most programs from SVR4 (Solaris), FreeBSD, Linux, BSDI, SunOS, and HPUX.

Our current release is 2.2, and was released December 4 1997. This inexpensive 2-CD set containing support for 9 architectures will boot on i386, sparc, alpha, and arc. To order...

About OpenBSD

• Project Goals
• Many supported platforms.
• Changes made between OpenBSD versions.
• At work: Commercial Uses and Other Applications
• Donations: Thanks to those who help OpenBSD.

Getting OpenBSD

• Buying OpenBSD CDROMs
• FTPing Releases
• Release Errors and Patches
• Getting source code by AnonCVS
• Getting source code by CTM (via email)
• Browsing source on the Web (via cvsweb)

OpenBSD Resources

• Mailing Lists and Archives
• The OpenBSD FAQ
• Our Bug Tracking System
• Links to Related Documentation
• Ports: a Nice Way to Get Third-Party Software
• Security Advisories