Alternatives and similar repositories for multics:

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

• lenticularis39 / axpbox
  AXPbox Alpha emulator
  ☆173Updated last year
• moshix / CP-67-CMS-Source
  This is the original source code for the CP/67 CMS operating system from 1969
  ☆76Updated 4 months ago
• openbios / openfirmware
  OpenFirmware as used on OLPC (and elsewhere)
  ☆107Updated 9 years ago
• JonathanBelanger / DECaxp
  Digital, never Compaq or HP, Alpha AXP Emulator
  ☆49Updated 5 years ago
• aap / pdp11
  PDP-11 emulation
  ☆90Updated 5 months ago
• openbios / openboot
  Sun's OpenBoot implementation of OpenFirmware
  ☆54Updated 9 years ago
• hansake / Whitesmiths-C-compiler
  Whitesmiths C compiler. One of the earliest commercial C compilers available.
  ☆40Updated 2 years ago
• RetroBSD / 2.11BSD
  Original 2.11BSD Unix distribution with sources
  ☆55Updated 10 years ago
• rcornwell / sims
  Burroughs B5500, ICL1900, SEL32, IBM 360/370, IBM 7000 and DEC PDP10 KA10/KI10/KL10/KS10, PDP6 simulators for SimH
  ☆100Updated 6 months ago
• MitchBradley / openfirmware
  Open Firmware (IEE1275-1994) implementation by its inventor.
  ☆71Updated 3 years ago
• IanSeyler / wozmon_x86-64
  A rewrite of Wozmon in x86-64 for the BareMetal kernel.
  ☆58Updated 5 months ago
• TheSledgeHammer / 2.11BSD_X44
  2.11BSD_X44. A 2.11BSD that implements 4.4BSD's (Lite 2) vm and vnodes
  ☆49Updated this week
• gspu / Coherent
  Coherent OS
  ☆92Updated last year
• KermitProject / ckermit
  C-Kermit: Portable OPEN SOURCE Scriptable Network and Serial Communication Software for Unix and VMS
  ☆25Updated 11 months ago
• RickCarlino / fbbs2
  Forth BBS 2, 1985 Bulletin Board software written in Forth (historic reconstruction)
  ☆66Updated 3 years ago
• osfree-project / osfree
  osFree - open source Operating System/2 clone, usermode parts.
  ☆123Updated 2 months ago
• EtchedPixels / OMU
  "One Man Unix", archive of the Unix clone written (before Linus !) by the late Dr Steve Hosgood, and extended by Terry Barnaby
  ☆52Updated 8 years ago
• lisper / emulator-sun-2
  Emulator for Sun-2 workstation
  ☆147Updated 2 years ago
• abs0 / 4.3BSD-Quasijarus
  Unofficial 4.3BSD-Quasijarus repository for all changes from 0 through to 0c (plus any additional patches)
  ☆38Updated 4 years ago
• bsdimp / mk211bsd
  Scripts to mechanically recover 2.11BSD and create a git repo of all the deltas to the 2.11 branch.
  ☆56Updated 2 years ago
• bsdimp / 2.11bsd
  BSD 2.11, as patched
  ☆20Updated 3 years ago
• PDP-10 / panda
  The Panda TOPS-20 distribution
  ☆20Updated 2 years ago
• rust11 / xxdp
  XXDP was, and remains, the PDP-11 diagnostic operating system. This project attempts to recover XXDP sources and documents.
  ☆26Updated 2 years ago
• aap / pdp6
  PDP-6 Emulator
  ☆64Updated 3 months ago
• r1mikey / research-unix-v7
  Research UNIX v7 ported the the Raspberry Pi
  ☆62Updated 2 years ago
• rcornwell / ctss
  CTSS source and binaries
  ☆35Updated 3 years ago
• axelmuhr / Helios-NG
  Breathing new live in Helios, an OS from the 90's
  ☆87Updated 3 years ago
• 9front / 9front
  nightly synced mirror
  ☆74Updated this week
• 0intro / 9hist
  History of the Plan 9 kernel (1990 - 2003).
  ☆132Updated 3 years ago
• solbjorg / oberon-riscv-emu
  A version of the Oberon emulator using RISC-V instead of Wirth's RISC machine.
  ☆41Updated 3 years ago