Alternatives and similar repositories for unix

Users that are interested in unix are comparing it to the libraries listed below

• lsahn-org / unix-v6
  UNIX 6th Edition Kernel Source Code
  ☆450Updated 6 years ago
• gdevic / minix1
  Original Minix 1 sources from the book "Operating Systems: Design and Implementation" 1st ed.
  ☆363Updated 7 years ago
• DoctorWkt / pdp7-unix
  A project to resurrect Unix on the PDP-7 from a scan of the original assembly code
  ☆502Updated last year
• dthain / basekernel
  A simple OS kernel for research, teaching, and fun.
  ☆865Updated last year
• 0intro / plan9
  Plan 9 History, from 2002-12-12 to 2015-01-10. A more complete version of this repository is available on https://github.com/plan9foundat…
  ☆875Updated 3 years ago
• NetBSD / src
  Automatic conversion of the NetBSD src CVS module, use with care. Please submit bugs/changes via https://gnats.netbsd.org
  ☆811Updated this week
• maxdev1 / ghost
  Ghost, a micro-kernel based hobby operating system.
  ☆637Updated 4 months ago
• ReturnInfinity / BareMetal
  A very minimal, resource efficient exo-kernel
  ☆766Updated last month
• mig-hub / mikeOS
  Mirror for MikeOS 4.5 - Simple and educational Operating System written by Mike Saunders
  ☆399Updated 3 years ago
• xinu-os / xinu
  Repository for Xinu source code
  ☆444Updated last year
• zavg / linux-0.01
  Historically first (actually 0.01) release of linux kernel made by Linus Torvalds
  ☆1,387Updated last year
• arjun024 / mkernel
  A minimalist kernel
  ☆1,342Updated 4 years ago
• jserv / unix-v1
  Restoration of 1st Edition UNIX kernel sources from Bell Laboratories
  ☆264Updated 4 months ago
• minix3 / minix
  Redirection to the real github page only.
  ☆107Updated 8 years ago
• kalamangga-net / linux-1.0
  Linux Kernel 1.0
  ☆157Updated 4 years ago
• alexfru / SmallerC
  Simple C compiler
  ☆1,510Updated 8 months ago
• sergev / 4.4BSD-Lite2
  4.4BSD Lite Release 2: last Unix operating system from Berkeley
  ☆394Updated 7 years ago
• HelenOS / helenos
  A portable microkernel-based multiserver operating system written from scratch.
  ☆1,491Updated last week
• 386bsd / 386bsd
  386BSD
  ☆621Updated 4 years ago
• drh / lcc
  The lcc retargetable ANSI C compiler
  ☆2,166Updated 10 months ago
• qword-os / qword
  Operating system for x86_64 based around a "keep it simple and make it work" philosophy.
  ☆411Updated 4 years ago
• mikaku / Fiwix
  A UNIX-like kernel for the i386 architecture
  ☆558Updated this week
• thethumbler / Aquila
  AquilaOS: UNIX-like Operating System
  ☆487Updated 4 years ago
• szhou42 / osdev
  Hobby os project with GUI
  ☆429Updated 2 years ago
• joshumax / hurd
  Mirror of the GNU Hurd, updated daily
  ☆168Updated 8 months ago
• mit-pdos / xv6-book
  Commentary for xv6-public
  ☆262Updated 5 years ago
• IIJ-NetBSD / netbsd-src
  this repository is unofficial mirror. automatically converted from anoncvs.NetBSD.org every two hours on weekdays (HEAD). On weekend, syn…
  ☆171Updated this week
• Stichting-MINIX-Research-Foundation / minix
  Official MINIX sources - Automatically replicated from gerrit.minix3.org
  ☆3,272Updated last year
• ozkl / soso
  A Simple Unix-like operating system
  ☆951Updated last week
• illumos / illumos-gate
  An open-source Unix operating system -- this is a read-only mirror of the official repository at https://code.illumos.org/plugins/gitiles…
  ☆1,761Updated this week