svr4-src
The UNIX System V Release 4 source code (i386)sunos-34-src
The SunOS 3.4 source code. An very rare find!ultrix11-src
The Ultrix-11 3.1 source code.irix-6517-src
The IRIX 6.5.17 source code.svr4-src-3b2
The UNIX System V Release 4 source code for the AT&T 3B2sunos-414-src
The Solaris 1.1.2 (SunOS 4.1.4) source code.darbat-src
Darwin ported to the L4 microkernel.hpux-910-src
The HP-UX 9.10 source codesysv-src-m68k
The UNIX System V Release 1 source code (Motorola 68000 port)uw7-src
The UnixWare 7 source code.ow-src
The OpenWindows source codesunos-413-src
The SunOS 4.1.3 source code.uwisc-src
The 4.3 BSD+NFS Wisconsin Unix source code.opus-sysv-src
OpusSystems SysV source code.irix-655-src
The IRIX 6.5.5 source code.berkeley-42src
The 4.2BSD source codesirius-src
OpenSolaris on IBM System z - build 20081010 sourcesosf1-10-src
The OSF/1 source code (v1.0)ultrix42-src
The source code for Ultrix 4.2 (VAX/MIPS)final44-src
The last 4.4BSD release from the CSRG, dump of /usr/src.cde-src
The Common Desktop Environment source code. Taken from the Solaris 2.6 sources.svr32-src
The UNIX System V Release 3.2 source code (AT&T 3B2)osol-b134
The OpenSolaris build 134 source code.svr2-ns32k
UNIX System V Release 2 source code (NS32000 port)svr3-m68k
The UNIX System V Release 3.0 source code (Motorola 68000)v7x86
A fork of v7x86usl-svr42
The UNIX System V Release 4.2 source codemach30-src
The Mach 3.0 sources (MK83)vms37-src
The VAX/VMS 3.7 (1984) source code.aux1-src
The A/UX 1.x source codev7-src
The UNIX V7 source code.32v-src
UNIX/32V source codenetbsd-08-src
The NetBSD 0.8 source code.41bsd-src
The 4.1BSD source code41c-src
4.1c BSD source code.sysv-src
The UNIX System V Release 1 source code (PDP-11)sys3-src
The UNIX System III source code (PDP-11/VAX)aix-413-src
The AIX 4.1.3 source code.ultrix2-src
The Ultrix-32 2.0 sources.svr2-src
The UNIX System V Release 2 source code (DEC VAX)net2-src
The BSD Net/2 source code.freebsd-1-src
The FreeBSD 1.0 source code. Contains references to 386BSD.limepc
A A/UX emulator, based on Shoebill.sol-8-src
The Solaris 8 source code.quas-src
The 4.3BSD-Quasijarus0c source code.sol7-src
The Solaris 7 OS/Net consolidation3bsd-src
The 3BSD source codebsd386-1.1-src
xnu-rhapsody-53
The sources for the kernel of Darwin 0.1.microport-src
Microport System V/AT source codetahoe-src
4.3BSD-Tahoe source codebsdi-20-src
4bsd-src
The 4.0BSD source codesol26-src
The Solaris 2.6 source codexnu-history
The XNU History Archivesol25-src
The Solaris 2.5 source codereno-src
The 4.3BSD-Reno source codev7roff
The original roff utility found in UNIX V7 (PDP-11 assembly)v7m4
The macro processor found in UNIX V7, but updated.svr4-libcrypt
The encryption library of UNIX System V Release 4.0RISC_os-src
The RISC/os 4.52 source code.lightxar
lightXar, a fork of the Xar archiver.freebsd-411
The FreeBSD 4.11 source code. The last 4.x release.v7kill
The kill program found in UNIX V7python2-rev
The Python 2 Revival Project.boot0-wii-source
fastboot
Standalone build of Android's fastboot executable. Derived from the Android 4.0.4 sources.ayacc-early
The early development of Ancient Yacc, starting from the UNIX/32V version of Yacc.calmsacibis995
vic20rom
The Commodore VIC-20 BASIC and KERNAL sourcesv7cal
The calendar program found in UNIX V7webkit-android-1.0
Android 1.0's fork of WebKit.uw2-src
The UnixWare 2.0 source code.ayacc
The original version of Yaccheliumos
My attempt of creating an CLI-based operating system in assembly based on MikeOS.xbox-demos
The original Xbox demos in source code form.xbox-errors
The original Xbox error codes explained from the source code.android-1.0-kernel
Google's fork of the Linux kernel for Android 1.0. Linux 2.6.25 sources.svvs
The System V Verification Suite source code.hp98x6
A fork of Olivier De Smet's HP98x6 emulator.libvl
A small, portable library for implementing init systems.boot1-decomp
A work-in-progress decompilation of the Nintendo Wii's boot1 (2005-06)moxa-firm-key
stacksmashing's Python script for decrypting firmwares of specific Moxa devices.tiny-pi
A Arch-based distro that runs on a Raspberry Pirunit
The Runit init daemon.calmsacibis995.github.io
linux-26-src
The source code for Linux 2.6.39.4.sol-11-src
The Solaris 11 11-11 source code.AdvBASIC
android-init-standalone
A standalone version of the Android init program (work in progress)oam
Operations, Administration, and Maintenance (OA&M) utilities.wii-oserror
All of the Wii's errors in one Github repository.upstart
The Upstart init daemon.crash-woc-decomp
Decompilation project for Crash Bandicoot: The Wrath of Cortex (PS2)v7-riscv
A port of Research UNIX V7 to RISC-V (32bit)testing
open-sysv-kern
The SysVr4 kernel, but open-source.opensysv
The OpenSysV Project source code.temp-sensor
Make your BBC micro::bit a temperature sensor!expcalc
Pokรฉmon experience calculator.Love Open Source and this site? Check out how you can help us