Repositories list

• osfree

  Public
  osFree - open source Operating System/2 clone, usermode parts.

  opensourceuserlandosdev+ 5

  opensourceuserlandosdevoperating-systemos2openwatcomosfreeregina-rexx

  C

  •1313 forks in osfree-project/osfree•151151 stars in osfree-project/osfree•1515 issues in osfree-project/osfree•00 pull requests in osfree-project/osfree•Updated Oct 27, 2026Oct 27, 2026

• DOS

  Public
  DOS Personality

  cdoskernel+ 3

  cdoskernelcommand-lineutilsx86

  C

  •00 forks in osfree-project/DOS•99 stars in osfree-project/DOS•77 issues in osfree-project/DOS•00 pull requests in osfree-project/DOS•Updated Oct 26, 2026Oct 26, 2026

• WIN16

  Public
  osFree Janus: Open-Source Windows 3.0 Clone

  windowsopen-sourcedos+ 16

  windowsopen-sourcedoskernelcloneretroosdevx86multitaskingcooperative+ 9

  C

  •

  Other

  •44 forks in osfree-project/WIN16•5959 stars in osfree-project/WIN16•1818 issues in osfree-project/WIN16•00 pull requests in osfree-project/WIN16•Updated Oct 26, 2026Oct 26, 2026

• notepad

  Public
  Open source notepad clone for windows 3.x

  windowsclonenotepad+ 3

  windowsclonenotepadretrowin16windows-3-x

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks in osfree-project/notepad•99 stars in osfree-project/notepad•33 issues in osfree-project/notepad•00 pull requests in osfree-project/notepad•Updated Oct 25, 2026Oct 25, 2026

• clock

  Public
  Windows 3.x Clock open source clone

  cloneclockretro+ 4

  cloneclockretrowindowwin1616bitwindows-3-x

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks in osfree-project/clock•77 stars in osfree-project/clock•11 issue in osfree-project/clock•00 pull requests in osfree-project/clock•Updated Oct 25, 2026Oct 25, 2026

• taskman

  Public
  Windows 3.x TaskMan clone

  cloneretrowin16+ 5

  cloneretrowin16win16apitaskmanagertaskmanwindows-3-xosfree

  C

  •

  Other

  •11 fork in osfree-project/taskman•66 stars in osfree-project/taskman•22 issues in osfree-project/taskman•00 pull requests in osfree-project/taskman•Updated Oct 25, 2026Oct 25, 2026

• sysedit

  Public
  Windows 3.x sysedit.exe clone

  clonewin16windows-3-x+ 1

  clonewin16windows-3-xsystedit

  C

  •

  GNU General Public License v3.0

  •00 forks in osfree-project/sysedit•44 stars in osfree-project/sysedit•00 issues in osfree-project/sysedit•00 pull requests in osfree-project/sysedit•Updated Oct 25, 2026Oct 25, 2026

• pifedit

  Public
  PIFEDIT for Windows 3.x

  retrowin16windows-3+ 2

  retrowin16windows-3windows-3-xosfree

  C

  •

  GNU General Public License v3.0

  •00 forks in osfree-project/pifedit•66 stars in osfree-project/pifedit•11 issue in osfree-project/pifedit•00 pull requests in osfree-project/pifedit•Updated Oct 25, 2026Oct 25, 2026

• clipbrd

  Public
  Windows 3.x clipboard viewer clone

  C

  •

  GNU General Public License v2.0

  •00 forks in osfree-project/clipbrd•44 stars in osfree-project/clipbrd•22 issues in osfree-project/clipbrd•00 pull requests in osfree-project/clipbrd•Updated Oct 25, 2026Oct 25, 2026

• winver

  Public
  Windows 3.x winver clone

  windowscloneretro+ 4

  windowscloneretrowin16win16apios2windows-3-x

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks in osfree-project/winver•66 stars in osfree-project/winver•33 issues in osfree-project/winver•00 pull requests in osfree-project/winver•Updated Oct 21, 2026Oct 21, 2026

• FreeLdr

  Public
  FreeLDR - highly configurable boot loader

  clinuxbootstrap+ 12

  clinuxbootstrapdosloaderasmassemblerx86bootloaderwin32+ 5

  C

  •11 fork in osfree-project/FreeLdr•66 stars in osfree-project/FreeLdr•44 issues in osfree-project/FreeLdr•00 pull requests in osfree-project/FreeLdr•Updated Oct 19, 2026Oct 19, 2026

• FamilyApp

  Public
  Family applications suitable to run under both DOS and OS/2

  dosos2osfree+ 1

  dosos2osfreedualmode

  C

  •

  Other

  •00 forks in osfree-project/FamilyApp•22 stars in osfree-project/FamilyApp•99 issues in osfree-project/FamilyApp•00 pull requests in osfree-project/FamilyApp•Updated Sep 17, 2026Sep 17, 2026

• FamilyAPI

  Public
  Shared API for DOS and OS/2 to produce dual mode applications

  dosos2

  dosos2

  Assembly

  •

  Other

  •00 forks in osfree-project/FamilyAPI•11 star in osfree-project/FamilyAPI•44 issues in osfree-project/FamilyAPI•00 pull requests in osfree-project/FamilyAPI•Updated Sep 17, 2026Sep 17, 2026

• expand

  Public
  MS EXPAND.EXE clone

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks in osfree-project/expand•33 stars in osfree-project/expand•11 issue in osfree-project/expand•00 pull requests in osfree-project/expand•Updated Sep 15, 2026Sep 15, 2026

• fastopen

  Public
  FASTOPEN DOS TSR

  Batchfile

  •

  MIT License

  •00 forks in osfree-project/fastopen•11 star in osfree-project/fastopen•00 issues in osfree-project/fastopen•00 pull requests in osfree-project/fastopen•Updated Sep 15, 2026Sep 15, 2026

• UNI

  Public
  Pascal

  •00 forks in osfree-project/UNI•11 star in osfree-project/UNI•11 issue in osfree-project/UNI•00 pull requests in osfree-project/UNI•Updated Sep 15, 2026Sep 15, 2026

• minesweeper

  Public
  Minesweeper clone for Win 3.x

  windowscloneminesweeper+ 6

  windowscloneminesweeperretrominesweeper-gamewin16windows-3-xosfreewinmine

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks in osfree-project/minesweeper•77 stars in osfree-project/minesweeper•00 issues in osfree-project/minesweeper•00 pull requests in osfree-project/minesweeper•Updated Aug 24, 2026Aug 24, 2026

• wiki

  Public
  osFree Wiki backup

  Creative Commons Attribution Share Alike 4.0 International

  •00 forks in osfree-project/wiki•33 stars in osfree-project/wiki•00 issues in osfree-project/wiki•00 pull requests in osfree-project/wiki•Updated Jun 3, 2026Jun 3, 2026

• doskrnl

  Public
  Modified FreeDOS kernel - implements DOSKRNL for osFree MVM

  dosvirtual-machineretro+ 5

  dosvirtual-machineretrovirtualizationvdmfreedososfreemvdm

  C

  •

  GNU General Public License v2.0

  •181181 forks in osfree-project/doskrnl•22 stars in osfree-project/doskrnl•00 issues in osfree-project/doskrnl•00 pull requests in osfree-project/doskrnl•Updated Mar 6, 2026Mar 6, 2026

• MacroLib

  Public
  ALP/MASM compatible macro library for BIOS and DOS

  dosasmassembler+ 8

  dosasmassemblerwasmmousebiosmasmjwasmdpmiwatcom+ 1

  Assembly

  •

  Other

  •11 fork in osfree-project/MacroLib•22 stars in osfree-project/MacroLib•11 issue in osfree-project/MacroLib•00 pull requests in osfree-project/MacroLib•Updated Mar 6, 2026Mar 6, 2026

• tpro

  Public
  Turbo Professional Clone

  Pascal

  •00 forks in osfree-project/tpro•33 stars in osfree-project/tpro•00 issues in osfree-project/tpro•00 pull requests in osfree-project/tpro•Updated Aug 9, 2025Aug 9, 2025

• osFreeBE

  Public
  Batchfile

  •00 forks in osfree-project/osFreeBE•11 star in osfree-project/osFreeBE•00 issues in osfree-project/osFreeBE•00 pull requests in osfree-project/osFreeBE•Updated Aug 3, 2025Aug 3, 2025

• SUB

  Public
  Assembly

  •00 forks in osfree-project/SUB•11 star in osfree-project/SUB•00 issues in osfree-project/SUB•00 pull requests in osfree-project/SUB•Updated Apr 5, 2024Apr 5, 2024

• Bochs

  Public
  osFree MVM prototype - Special version of Bochs modified to support SVC calls and VDD

  C++

  •

  GNU Lesser General Public License v2.1

  •196196 forks in osfree-project/Bochs•11 star in osfree-project/Bochs•00 issues in osfree-project/Bochs•00 pull requests in osfree-project/Bochs•Updated Jan 23, 2024Jan 23, 2024

• .github

  Public
  00 forks in osfree-project/.github•00 stars in osfree-project/.github•00 issues in osfree-project/.github•00 pull requests in osfree-project/.github•Updated Nov 6, 2023Nov 6, 2023

• os3

  Public
  OS/2 personality (OS/2 API implementation on top of different kernels)

  apiopensourceosdev+ 7

  apiopensourceosdevmicrokernelos2l4genodeosfreel4envl4re

  C

  •22 forks in osfree-project/os3•1010 stars in osfree-project/os3•00 issues in osfree-project/os3•00 pull requests in osfree-project/os3•Updated Jun 10, 2023Jun 10, 2023

• GW-BASIC

  Public template
  Assembling Microsoft GW-BASIC from 1983, with MASM or JWasm • "pre-release" binaries at https://github.com/tkchia/GW-BASIC/releases • source mirror at https://g…

  Assembly

  •

  MIT License

  •544544 forks in osfree-project/GW-BASIC•22 stars in osfree-project/GW-BASIC•00 issues in osfree-project/GW-BASIC•11 pull request in osfree-project/GW-BASIC•Updated Apr 3, 2023Apr 3, 2023

• winfile

  Public
  Original Windows File Manager (winfile) with enhancements

  C

  •

  MIT License

  •745745 forks in osfree-project/winfile•11 star in osfree-project/winfile•00 issues in osfree-project/winfile•00 pull requests in osfree-project/winfile•Updated Feb 28, 2023Feb 28, 2023

• MVM

  Public
  Multiple Virtual Machines

  virtual-machinevirtualization

  virtual-machinevirtualization

  C

  •00 forks in osfree-project/MVM•00 stars in osfree-project/MVM•00 issues in osfree-project/MVM•00 pull requests in osfree-project/MVM•Updated Feb 8, 2023Feb 8, 2023

• tools

  Public
  osFree build system

  C

  •00 forks in osfree-project/tools•00 stars in osfree-project/tools•00 issues in osfree-project/tools•00 pull requests in osfree-project/tools•Updated Jan 2, 2023Jan 2, 2023