Alternatives and similar repositories for pdp11

Users that are interested in pdp11 are comparing it to the libraries listed below

• TheSledgeHammer / 2.11BSD_X44
  2.11BSD_X44. A 2.11BSD that implements 4.4BSD's (Lite 2) vm and vnodes
  ☆54Updated this week
• gspu / Coherent
  Coherent OS
  ☆95Updated last year
• mezantrop / i486SX_soft_FPU
  Bring back FPU emulation for i486SX CPU on NetBSD
  ☆61Updated 8 months ago
• hansake / Whitesmiths-C-compiler
  Whitesmiths C compiler. One of the earliest commercial C compilers available.
  ☆161Updated 2 years ago
• nanochess / transputer
  Transputer T805 emulator, assembler, Pascal compiler, operating system, and K&R C compiler.
  ☆82Updated 3 months ago
• ghaerr / blink16
  Tiny visual 8086 emulator based on Blink
  ☆79Updated last year
• RetroBSD / 2.11BSD
  Original 2.11BSD Unix distribution with sources
  ☆63Updated 10 years ago
• philpem / freebee
  FreeBee - AT&T 3B1 / 7300 UNIX PC emulator
  ☆136Updated last year
• TheBrokenPipe / Research-UNIX-V2-Beta
  A Research UNIX V2 beta from 1972 brought back to life
  ☆90Updated 11 months ago
• r1mikey / research-unix-v7
  Research UNIX v7 ported the the Raspberry Pi
  ☆68Updated 3 years ago
• dancrossnyc / multics
  Source for the Multics operating system
  ☆129Updated 4 years ago
• aap / b
  B compiler
  ☆80Updated 3 weeks ago
• IanSeyler / wozmon_x86-64
  A rewrite of Wozmon in x86-64 for the BareMetal kernel.
  ☆65Updated 3 months ago
• pavel-krivanek / pdp11
  Emulation of UNIX V6 on PDP-11 with teletype
  ☆29Updated 2 years ago
• bsdimp / venix
  ☆38Updated 3 years ago
• hansake / Whitesmiths-Idris-OS
  Idris was an operating system developed by Whitesmiths
  ☆32Updated 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.
  ☆59Updated 6 months ago
• aap / pdp6
  PDP-6 Emulator
  ☆67Updated 6 months ago
• eschaton / MINIXCompat
  A compatibility environment that can run M68000 MINIX 1.5 binaries, for example to enable building M68000 MINIX on a modern UNIX.
  ☆30Updated last year
• Isysxp / Pico_1140
  A PDP11/40 emulator that will run Unix v5/6
  ☆84Updated 5 months ago
• calmsacibis995 / svr4-src
  The UNIX System V Release 4 source code (i386)
  ☆72Updated 8 months ago
• nikitinprior / dF80
  Restored F80 compiler code for CP/M
  ☆40Updated 3 years ago
• calmsacibis995 / irix-6517-src
  The IRIX 6.5.17 source code.
  ☆41Updated 3 years ago
• rayarachelian / lisaem
  The first fully functional Lisa Emulator™
  ☆125Updated last year
• moshix / CP-67-CMS-Source
  This is the original source code for the CP/67 CMS operating system from 1969
  ☆79Updated last year
• borb / tripos
  Historical sources for the TRIvial Operating System
  ☆44Updated 6 years ago
• kej715 / ack
  The Amsterdam Compiler Kit
  ☆27Updated 10 months ago
• lenticularis39 / axpbox
  AXPbox Alpha emulator
  ☆186Updated last year
• SuperIlu / DOSDevelResources
  A short list of development resources for MS-DOS. Heavily influenced by my own projects and favorites
  ☆137Updated 3 weeks ago
• ibara / 8088ify
  The famous Intel 8080 CP/M 2.2 to Intel 8086/8088 MS-DOS assembly language translator.
  ☆97Updated 3 years ago