OpenBSD

OpenBSD is a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography.

GitHub: https://github.com/topics/openbsd
Wikipedia: https://en.wikipedia.org/wiki/OpenBSD
Repo: https://github.com/openbsd
Created by: Theo de Raadt
Released: July 1996
Last updated: 2025-04-26 00:20:48 UTC
JSON Representation

https://github.com/reyk/cloud-agent

cloud-agent for OpenBSD 🕵️‍♀️

aws azure cloud cloud-init openbsd

Last synced: 09 Feb 2025

https://github.com/semarie/sysclean

list obsolete files between OpenBSD upgrades - mirror of codeberg.org/semarie/sysclean

openbsd upgrade

Last synced: 09 Feb 2025

https://github.com/d32f123/openbsd-server-setup

A collection of scripts to ease bootstrapping of a new OpenBSD server. Includes nginx with SSL, mail with DKIM, WireGuard and IKEv2 VPN setup.

dovecot email ikev2-vpn nginx openbsd opensmtpd rainloop shell ssl vpn zsh

Last synced: 09 Feb 2025

https://github.com/gershnik/wsdd-native

Make your Linux/macOS/BSD/illumos machine visible in Network view of Windows Explorer

bsd freebsd illumos linux macos macosx netbsd openbsd samba windows-10 windows-11 windows-explorer ws-discovery wsd

Last synced: 16 Apr 2025

https://github.com/liv-io/ansible-roles-bsd

Ansible roles for FreeBSD and OpenBSD

ansible ansible-roles freebsd openbsd

Last synced: 24 Jan 2025

https://github.com/yannh/openbsd_immutable_router

Packer/Ansible configuration for the automatic generation of an immutable OpenBSD image for a full router/firewall server

immutable-infrastructure openbsd router

Last synced: 28 Dec 2024

https://github.com/voutilad/virtio_vmmci

My 3/4-hearted attempt at making a Linux virtio driver for OpenBSD VMM Control Interface

linux openbsd

Last synced: 30 Dec 2024

https://github.com/leodido/go-syslog

Blazing fast syslog parsers

builder logging logs openbsd parser ragel rfc3164 rfc5424 rfc5425 rfc5426 rfc6587 synology-nas syslog unifi

Last synced: 22 Mar 2025

https://github.com/begriffs/obsd

Redacted config files

openbsd

Last synced: 12 Nov 2024

https://github.com/raforg/sshdo

controls which commands may be executed via incoming ssh

bsd cli debian freebsd linux macos macosx netbsd openbsd posix redhat security ssh svr4 ubuntu unix

Last synced: 11 Nov 2024

https://github.com/ibara/yacc

Portable OpenBSD Yacc.

bsd c openbsd posix unix yacc

Last synced: 19 Apr 2025

https://github.com/iij/iwatch

Watch command outputs with interval timer

freebsd iij iwatch netbsd openbsd watch

Last synced: 30 Nov 2024

https://github.com/ibara/cpaint

https://briancallahan.net/blog/20220220.html

art bsd c console curses drawing freebsd linux ncurses netbsd obfuscated openbsd paint pixel-art terminal unix

Last synced: 09 Mar 2025

https://github.com/sonertari/pfre

Packet Filter Rule Editor for OpenBSD/pf

firewall openbsd packet-filter pffw pfre rule-editor utmfw

Last synced: 25 Apr 2025

https://github.com/wille/osutil

Go library to easily detect current operating system, current Linux distribution, macOS version and more...

bsd dragonfly dragonflybsd freebsd go golang linux mac macos netbsd openbsd operating operatingsystem os system windows

Last synced: 27 Jan 2025

https://github.com/facelessfish/dhcpd-leasesd

A simple dashboard for the dhcpd.leases file of the OpenBSD dhcpd server.

dashboard dhcpd openbsd

Last synced: 09 Feb 2025

https://github.com/ibara/snakeqr

Game of snake that fits in a QR code.

bsd c game games gaming minimalism openbsd unix video-game video-game-development video-games videogame videogames

Last synced: 09 Mar 2025

https://github.com/ibara/sprite

ncurses-based sprite editor

art artwork bsd console game game-art game-dev game-development gameart linux ncurses openbsd pixel pixel-art pixelart pixels sprite unix

Last synced: 09 Mar 2025

https://github.com/mahkoh/uapi

Unix API

ffi freebsd linux macos openbsd rust unix

Last synced: 09 Feb 2025

https://github.com/aixp/blackbox

Oberon Microsystems BlackBox Component Builder port for OpenBSD, GNU/Linux and FreeBSD

blackbox-component-builder component-pascal freebsd linux oberon openbsd

Last synced: 18 Mar 2025

https://github.com/ratchov/sndio

Portable version of OpenBSD's lightweight audio & MIDI sub-system

audio library midi openbsd server sndio

Last synced: 11 Apr 2025

https://github.com/ibara/bf256

Brainfuck compiler under 256 bytes in size.

amd64 assembler assembly brainfuck bsd c compiler linux minimal minimalism openbsd unix x86-64

Last synced: 09 Mar 2025

https://github.com/oneclickvirt/gostun

本机NAT类型检测工具(Local NAT type detection tool)(NatTypeTester)

detector freebsd goecs linux nat nattype nattypetester openbsd rfc3489 rfc4787 rfc5780 stun tcp tls udp

Last synced: 09 Feb 2025

https://github.com/mark-kubacki/signify

:lock_with_ink_pen: Cryptographic signing, ported from BSD for Linux, that uses instructions of modern CPUs

cryptography ed25519 linux openbsd signing

Last synced: 11 Apr 2025

https://github.com/op7ic/unix_collector

unix_collector is a live response collection script for Incident Response on UNIX-like systems using native binaries.

blueteam computer-forensics dfir dfir-automation forensic-analysis forensics freebsd linux live-response openbsd posix script shell solaris unix

Last synced: 17 Nov 2024

https://github.com/qbit/pkg

pkg* wrapper that adds full text searching

openbsd

Last synced: 14 Apr 2025

https://github.com/thexhr/openbsd-timemachine

Timemachine like backups on OpenBSD

backup openbsd rsnapshot rsync-wrapper shell shell-script timemachine

Last synced: 23 Apr 2025

https://github.com/izder456/dotfiles

My OpenBSD Dotfiles

config dotfiles gruvbox-color-scheme gruvbox-dark openbsd perl stumpwm stumpwmrc tiling-window-manager

Last synced: 07 Apr 2025

https://github.com/ibara/make

Portable OpenBSD Make.

build build-system build-systems build-tool c freebsd linux make makefile netbsd openbsd posix unix utility

Last synced: 10 Mar 2025

https://github.com/jsf0/ansible-clone

Generate an Ansible playbook that will duplicate an existing system

ansible ansible-playbook automation freebsd openbsd

Last synced: 09 Feb 2025

https://github.com/ligurio/openbsd-tests

Unofficial OpenBSD regression tests

openbsd openbsd-tests regression-testing software-testing testing

Last synced: 17 Nov 2024

https://github.com/ibara/o

Peephole optimizer for cproc and QBE

c compiler freebsd linux netbsd openbsd optimizer unix

Last synced: 10 Mar 2025

https://github.com/ryanmaclean/ubiquiti-edge-router-lite-openbsd-osx

Install OpenBSD on your Ubiquiti Edge Router Lite 3 from MacOS (OSX)

edge-router-lite erl howto macos openbsd osx ubiquiti ubiquiti-router

Last synced: 11 Apr 2025

https://github.com/vedetta-com/dithematic

OpenBSD DNS name server

nameserver nsd openbsd powerdns

Last synced: 19 Apr 2025

https://github.com/jsf0/rpfload

PF firewall config loader for OpenBSD and FreeBSD with automatic backup rollback and logging

firewall firewall-management freebsd openbsd pf rollback

Last synced: 09 Apr 2025

https://github.com/reyk/hpack

BSD-style HPACK implementation in C

c hpack http2 openbsd rfc7541

Last synced: 18 Mar 2025

https://github.com/ibara/echo

Learn how argc and argv are passed from environment to Unix program.

assembly bsd c echo learning linux minimalism openbsd pedagogy programming teaching unix

Last synced: 10 Mar 2025

https://github.com/reyk/meta-data

meta-data datasource for OpenBSD vmd(8)

cloud cloud-init openbsd vmd vmm

Last synced: 18 Mar 2025

https://github.com/tritondatacenter/openbsd-kvm-image-builder

Scripts to create a custom OpenBSD install ISO and a KVM image for use in SmartOS and Triton.

kvm openbsd smartos triton

Last synced: 06 Apr 2025

https://github.com/ibara/shuf

ISC licensed reimplementation of GNU shuf.

bsd c isc openbsd unix utility

Last synced: 10 Mar 2025

https://github.com/joedicastro/mutatio

A simple script to keep to date with OpenBSD updates and to download new snapshots.

openbsd python

Last synced: 26 Mar 2025

https://github.com/ibara/planck

The world's worst text editor, if it can even be considered a text editor.

bsd c editor linux minimalism openbsd text text-editor texteditor unix

Last synced: 10 Mar 2025

https://github.com/hovancik/bsdsec

deadsimple BSD Security Advisories and Announcements

advisories announcements bsd dragonfly freebsd midnightbsd netbsd openbsd pfsense security

Last synced: 13 Apr 2025

https://github.com/reyk/ldapclient

Simple LDAP client for OpenBSD using aldap, pledge(2) and no OpenLDAP

authorizedkeyscommand ldap ldapsearch openbsd

Last synced: 18 Mar 2025

https://github.com/nalexandru/nekoengine

Game Engine

freebsd game-engine ios linux macosx metal openbsd rtx stb-image vulkan

Last synced: 23 Mar 2025

https://github.com/JustinTimperio/osinfo

A Cross-Platform Module for Collecting OS Information in Golang

cross-platform darwin freebsd go golang linux openbsd os-info os-information osinfo osx windows windowserver

Last synced: 12 Apr 2025

https://github.com/justintimperio/osinfo

A Cross-Platform Module for Collecting OS Information in Golang

cross-platform darwin freebsd go golang linux openbsd os-info os-information osinfo osx windows windowserver

Last synced: 12 Apr 2025

https://github.com/dim13/spectrogram

OpenBSD sndio Spectrogram

c fftw openbsd sound spectrogram visualization waterfall

Last synced: 15 Apr 2025

https://github.com/Esdenera/mcast-proxy

Multicast Proxy for OpenBSD

igmp mld multicast openbsd proxy

Last synced: 05 Apr 2025

https://github.com/reyk/rust-libtls

Rust bindings for LibreSSL's libtls library.

libressl libtls openbsd rust

Last synced: 09 Feb 2025

https://github.com/cristianzsh/dotfiles

My dotfiles

conky dotfiles fvwm openbsd openbsd-desktop rofi slim vim vimrc xdefaults xterm

Last synced: 17 Nov 2024

https://github.com/nicoulaj/vagrant-sandbox

Preconfigured Vagrant environment for running various systems in a single command.

arch-linux centos debian fedora freebsd gentoo macos nixos openbsd opensuse rhel solaris ubuntu vagrant vagrant-environments void windows

Last synced: 19 Nov 2024

https://github.com/neutralinsomniac/obsdpkgup

Very simple (and *fast*) tool to check for OpenBSD package updates

openbsd

Last synced: 12 Apr 2025

https://github.com/unbalancedparentheses/dotfiles

:house_with_garden: dotfiles sweet dotfiles

dotfiles linux openbsd osx

Last synced: 13 Apr 2025

https://github.com/linuxthor/sixnix

Multifarious x86-64 ELF binary that can be built once and run on six different *nix variants. Behaves differently if running on Linux, BSD or SunOS

assembly assembly-language elf freebsd linux netbsd openbsd openindiana

Last synced: 16 Apr 2025

https://github.com/initware/cgrpfs

Tiny implementation of the GNU/Linux CGroupFS (sans resource controllers) as a PUFFS or FUSE filesystem for BSD platforms

bsd cgroups compatibility dragonflybsd filesystem freebsd fuse fuse-filesystem linux netbsd openbsd puffs

Last synced: 16 Apr 2025

https://github.com/hovancik/BSDSec

deadsimple BSD Security Advisories and Announcements

advisories announcements bsd dragonfly freebsd midnightbsd netbsd openbsd pfsense security

Last synced: 05 Dec 2024

https://github.com/jgeraerts/mdns-repeater

Multicast DNS (mdns) repeater. Now running on OpenBSD

bonjour mdns openbsd zeroconf

Last synced: 05 Apr 2025

https://github.com/raforg/daemon

turns other processes into daemons

bsd c cli daemon daemonize debian freebsd linux macos macosx netbsd openbsd posix redhat svr4 ubuntu unix

Last synced: 11 Nov 2024

https://github.com/ibara/edx

Small Wordstar-like text editor for X11.

c editor openbsd text-editor wordstar x11

Last synced: 20 Apr 2025

https://github.com/ibara/openbsd-ports-wip

Work-in-progress ports for OpenBSD

openbsd openbsd-wip

Last synced: 10 Mar 2025

https://github.com/semarie/checkrestart

a way to know when a running program is using an old version of upgraded files (for OpenBSD)

openbsd upgrade

Last synced: 05 Apr 2025

https://github.com/iandarwin/bigmailers

List of "big mailers" for OpenBSD's 'smtpctl spf walk' mechanism

greylist openbsd pf snippets spf

Last synced: 13 Feb 2025

https://github.com/thecompez/platform-detector

A useful tool for identifying the architecture, platform type, compiler, and operating system specifications by preprocessor feature support.

android architecture compilers cplusplus cross-platform detector freebsd ios linux macos openbsd platform-detector system-information windows

Last synced: 19 Dec 2024

https://github.com/morgant/swupdate-openbsd

One OpenBSD software update command to run them all

openbsd softwareupdate update-checker updater

Last synced: 10 Apr 2025

https://github.com/wizardishungry/openbsd-hiddenfortress

🐡 Quick OpenBSD 6.2 machine inside VirtualBox for a distraction-free desktop

openbsd tor vagrant virtualbox

Last synced: 18 Mar 2025

https://github.com/ibara/bfc

Compile Brainfuck to multi-platform assembly.

amd64 assembly bfc brainfuck bsd c compiler i386 i80 i8080 openbsd unix x86-64 z80

Last synced: 11 Mar 2025

https://github.com/raforg/libslack

A UNIX/C library of general utilities for programmers with Slack

bsd c daemon daemonize debian freebsd library linux macos macosx netbsd openbsd posix redhat security svr4 ubuntu unix

Last synced: 11 Nov 2024

https://github.com/jarmani/opentestbsd

OpenBSD as the ultimate platform for pentesting and security certification training! 🔒🚀

openbsd pentest pentesting security

Last synced: 09 Feb 2025

https://github.com/matveynator/sysadminscripts

UNIX sysadmin KUNG-FU.

debian docker docker-swarm golang linux lxc mariadb mysql nomad openbsd pf postgresql reiserfs strongswan xfs

Last synced: 15 Dec 2024

https://github.com/liv-io/ansible-roles-openbsd

Ansible roles for OpenBSD

ansible ansible-roles openbsd

Last synced: 10 Apr 2025

https://github.com/chris-huxtable/pledge.cr

Adds pledge(2) to crystal.

crystal crystal-lang crystal-language openbsd pledge shards

Last synced: 12 Mar 2025

https://github.com/openbsdguy/ffmpeg_openbsd

FFmpeg scripts for screen recording YouTube videos and YouTube live streaming on OpenBSD

ffmpeg ffmpeg-livestreaming ffmpeg-script ffmpeg-youtube openbsd openbsd-scripts

Last synced: 09 Feb 2025

https://github.com/fleschutz/operating-systems

Mirror and archive of 29 established operating systems (886 GB total).

android archive centos debian download downloads fedora freebsd ipfs iso knoppix mirror openbsd opensolaris opensuse operating-system operating-systems ubuntu windows-10 xubuntu

Last synced: 13 Nov 2024

https://github.com/wizardishungry/vmctl-ssh-wrapper

SSH ProxyCommand to launch OpenBSD vmd guests on demand

openbsd ssh virtualization

Last synced: 09 Feb 2025

https://github.com/joseluisq/enve

A cross-platform tool to run a program in a modified environment providing a .env file.

cli-tool dotenv env env-file env-loader environment-variables freebsd golang json-export linux macos openbsd windows xml-export

Last synced: 28 Mar 2025

https://github.com/opencrew-tech/openbsd-hid

Enhancing HID support on OpenBSD

hid openbsd usb-hid

Last synced: 12 Jan 2025

https://github.com/morgant/xsunaba

Sandbox X11 applications on OpenBSD

openbsd sandbox x11 xephyr

Last synced: 10 Apr 2025

https://github.com/edoardolagreca/werc-on-openbsd

Automate Werc setup on OpenBSD.

cgi httpd openbsd werc

Last synced: 09 Feb 2025

https://github.com/linuxthor/kark

Experimental OpenBSD 6.7 rootkit

openbsd rootkit rootkits

Last synced: 16 Apr 2025

https://github.com/santana/binpatch

Ports-like framework for creating binary patches for OpenBSD

openbsd patching

Last synced: 13 Apr 2025

https://github.com/afify/wireguard-openbsd

wireguard config server and clients for OpenBSD

openbsd wireguard

Last synced: 09 Feb 2025

https://github.com/omar-polo/pkg_fcgi

Gemini interface for the OpenBSD ports tree

gemini openbsd openbsd-ports

Last synced: 09 Feb 2025

https://github.com/morgant/mavid

Lossless X11 screencast recording on OpenBSD using ffmepg & sndio

ffmpeg lossless openbsd screencast screencast-recording sndio x11

Last synced: 09 Feb 2025

https://github.com/ibara/ash

Port of NetBSD sh(1) to OpenBSD.

bsd c netbsd openbsd shell unix

Last synced: 12 Mar 2025

https://github.com/ibara/sysctlbyname

sysctlbyname(3) compat library for OpenBSD

c openbsd

Last synced: 11 Mar 2025

https://github.com/ibara/dqoi

Tiny X11 image viewer for QOI images.

freebsd image images linux minimal minimalism minimalist minimalistic netbsd openbsd qoi unix viewer x11

Last synced: 12 Mar 2025

https://github.com/nektro/mount.ufs

[WIP] A FUSE filesystem client for mounting UFS partitions, mainly used by FreeBSD and its derivatives.

freebsd fuse linux netbsd openbsd ufs zig

Last synced: 12 Apr 2025

https://github.com/opencrew-tech/openbsd-electron

Ongoing OpenBSD port of Electron

electron openbsd vscode

Last synced: 09 Jan 2025

https://github.com/openbsdguy/netplot

Network traffic display on a plot for OpenBSD

network-monitor network-monitor-plot openbsd openbsd-networkmonitor openbsd-scripts tui

Last synced: 09 Feb 2025

https://github.com/thexhr/config

Potpourri of config/dot files I use(d) on a daily base.

bash config configuration cwm dotfiles i3wm ksh mutt neovim openbsd vim

Last synced: 23 Apr 2025

https://github.com/wravoc/authlog-threats

Parses the authlog against a CIDR whitelist, automatically reloads pf with the brutes, prints and logs all threats added, sys logs, has a backup mode, and blocks all vulnerability scanners.

cidr cyber-security cybersecurity firewall-management openbsd python3 security-automation security-tools vulnerability-detection vulnerability-scanners

Last synced: 09 Feb 2025

https://github.com/euantorano/pledge.nim

A wrapper around OpenBSD's pledge(2) systemcall for Nim.

nim openbsd openbsd-pledge pledge

Last synced: 14 Apr 2025

https://github.com/etchdroid/libressl

LibreSSL release mirror for EtchDroid from official tarballs

libressl mirror openbsd

Last synced: 14 Nov 2024

https://github.com/liv-io/coremon

System Monitoring

console-tool debian freebsd monitoring-tool openbsd

Last synced: 14 Apr 2025

https://github.com/OpenBSDGuy/pkg_search

Blazing fast intutive search for OpenBSD packages

openbsd openbsd-pkg-search pkg-search-openbsd

Last synced: 31 Mar 2025

https://github.com/openbsdguy/pkg_search

Blazing fast intutive search for OpenBSD packages

openbsd openbsd-pkg-search pkg-search-openbsd

Last synced: 11 Nov 2024

https://github.com/wravoc/goaccess-openbsd

OpenBSD theme for GoAccess Web Log analyzer with prompted ASN database download matching a pre-configured conf which excludes Web Monitoring services and also generates HTML reports.

analytics asn asn-lookup geoip http-requests log logs openbsd security security-tools