OpenBSD is a free, UNIX-like operating system derived from 4.4BSD which runs on multiple platforms. The OpenBSD Project focuses on "portabililty, standardization, correctness, security and cryptography."
OpenBSD has a well-deserved reputation for fanatic security. Why does the U.S. military DARPA fund this Canadian-based software via the Composable High Assurance Trusted Systems program? [ONLamp.com]
Details of OpenBSD powering a high profile site.
Growing article, with links to many related topics. [Wikipedia]
Prominent users of OpenBSD and how it's being used.
A resource for this community. New articles posted often; focus: firewalls, Internet services, intrusion detection, other topics of interest.
Web-interface to the OpenBSD ports tree and packages collection, based on sqlports and ports-readmes from the project. Browse by category or use a full-text search. The virtual categories and inter-dependencies of all packages are shown.
OpenBSD-relevant links at lobste.rs, an open-source link aggregator created by an OpenBSD developer.
OpenBSD laptop configuration site and OpenBSD-mobile mailing list archive.
Free version of the SSH/SecSH protocol suite of network connectivity tools developed by the OpenBSD Project.
A source-code search based on OpenGrok. Useful not only in system and application software development, but also for figuring out whether particular hardware is supported.
Frequently Asked Questions.
A Canadian non-for-profit corporation, supporting OpenBSD and related projects. Headquartered in Edmonton, Alberta.
Multiplatform Ultra-Secure Operating System. Focus: portability, standardization, correctness, security, and cryptography.
An unofficial OpenBSD account on Tumblr.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us