An eclectic collection of useful URLs

I highly recommend reading official documentation first. I have provided a curated list of websites which I personally consider useful.

OpenBSD

Official OpenBSD Sites

• OpenBSD Main Site https://www.openbsd.org
• OpenBSD FAQs https://www.openbsd.org/faq/index.html
• OpenBSD Manpages https://man.openbsd.org
• OpenBSD Patches https://www.openbsd.org/errata76.html
• OpenBSD Download https://www.openbsd.org/faq/faq4.html#Download
• OpenSSH https://www.openssh.com
• LibreSSL https://www.libressl.org
• OpenBGPD https://www.openbgpd.org
• OpenNTPD https://www.openntpd.org
• OpenSMTPD https://www.opensmtpd.org
• The OpenBSD Foundation https://www.openbsdfoundation.org

Other OpenBSD Related Sites

Hosting

• OpenBSD Amsterdam https://openbsd.amsterdam

Advocacy

• Why OpenBSD Rocks https://why-openbsd.rocks/fact/

User Guides / Blogs ( in alphabetical order )

• calomel.org https://calomel.org
• citizen428.net https://citizen428.net
• echothrust.github.io https://echothrust.github.io/howtos/
• ioctl.uk https://ioctl.uk
• Joel https://www.tumfatig.net
• Julien Dessaux https://www.adyxax.org
• Roman Zolotarev https://romanzolotarev.com/openbsd/
• Solène Rapenne https://dataswamp.org/~solene/

Plan9

Official Plan9 Sites

• Plan9 Main Site http://p9f.org

Actively Maintained Forks

• 9front Main Site https://www.9front.org