Repositories list

• osfree

  Public

  osfree-project/osfree’s past year of commit activity
  osFree - open source Operating System/2 clone, usermode parts.

  opensourceuserlandosdev+ 5

  opensourceuserlandosdevoperating-systemos2openwatcomosfreeregina-rexx

  C

  •1313 forks•137137 stars•1515 issues•00 pull requests•Updated Apr 16, 2026Apr 16, 2026

• DOS

  Public

  osfree-project/DOS’s past year of commit activity
  DOS Personality

  cdoskernel+ 3

  cdoskernelcommand-lineutilsx86

  C

  •00 forks•77 stars•66 issues•00 pull requests•Updated Apr 16, 2026Apr 16, 2026

• WIN16

  Public

  osfree-project/WIN16’s past year of commit activity
  osFree Janus: Open-Source Windows 3.0 Clone

  windowsopen-sourcedos+ 16

  windowsopen-sourcedoskernelcloneretroosdevx86multitaskingcooperative+ 9

  C

  •

  Other

  •22 forks•3636 stars•55 issues•00 pull requests•Updated Apr 16, 2026Apr 16, 2026

• wiki

  Public
  osFree Wiki backup

  Creative Commons Attribution Share Alike 4.0 International

  •00 forks•33 stars•00 issues•00 pull requests•Updated Mar 24, 2026Mar 24, 2026

• doskrnl

  Public

  osfree-project/doskrnl’s past year of commit activity
  Modified FreeDOS kernel - implements DOSKRNL for osFree MVM

  dosvirtual-machineretro+ 5

  dosvirtual-machineretrovirtualizationvdmfreedososfreemvdm

  C

  •

  GNU General Public License v2.0

  •168168 forks•22 stars•00 issues•00 pull requests•Updated Mar 6, 2026Mar 6, 2026

• MacroLib

  Public

  osfree-project/MacroLib’s past year of commit activity
  ALP/MASM compatible macro library for BIOS and DOS

  dosasmassembler+ 8

  dosasmassemblerwasmmousebiosmasmjwasmdpmiwatcom+ 1

  Assembly

  •

  Other

  •11 fork•22 stars•11 issue•00 pull requests•Updated Mar 6, 2026Mar 6, 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•66 stars•22 issues•00 pull requests•Updated Dec 28, 2025Dec 28, 2025

• FamilyApp

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

  dosos2osfree+ 1

  dosos2osfreedualmode

  C

  •

  Other

  •00 forks•22 stars•99 issues•00 pull requests•Updated Dec 25, 2025Dec 25, 2025

• FamilyAPI

  Public

  osfree-project/FamilyAPI’s past year of commit activity
  Shared API for DOS and OS/2 to produce dual mode applications

  dosos2

  dosos2

  Assembly

  •

  Other

  •00 forks•11 star•44 issues•00 pull requests•Updated Dec 25, 2025Dec 25, 2025

• winver

  Public
  Windows 3.x winver clone

  windowscloneretro+ 4

  windowscloneretrowin16win16apios2windows-3-x

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks•55 stars•00 issues•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• minesweeper

  Public
  Minesweeper clone for Win 3.x

  windowscloneminesweeper+ 6

  windowscloneminesweeperretrominesweeper-gamewin16windows-3-xosfreewinmine

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks•66 stars•00 issues•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• taskman

  Public
  Windows 3.x TaskMan clone

  cloneretrowin16+ 5

  cloneretrowin16win16apitaskmanagertaskmanwindows-3-xosfree

  C

  •

  Other

  •11 fork•44 stars•11 issue•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• sysedit

  Public
  Windows 3.x sysedit.exe clone

  clonewin16windows-3-x+ 1

  clonewin16windows-3-xsystedit

  C

  •

  GNU General Public License v3.0

  •00 forks•33 stars•00 issues•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• pifedit

  Public
  PIFEDIT for Windows 3.x

  retrowin16windows-3+ 2

  retrowin16windows-3windows-3-xosfree

  C

  •

  GNU General Public License v3.0

  •00 forks•44 stars•11 issue•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• 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•44 stars•22 issues•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• clipbrd

  Public
  Windows 3.x clipboard viewer clone

  C

  •

  GNU General Public License v2.0

  •00 forks•33 stars•11 issue•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• UNI

  Public
  Pascal

  •00 forks•11 star•11 issue•00 pull requests•Updated Dec 10, 2025Dec 10, 2025

• tpro

  Public
  Turbo Professional Clone

  Pascal

  •00 forks•33 stars•00 issues•00 pull requests•Updated Aug 9, 2025Aug 9, 2025

• osFreeBE

  Public
  Batchfile

  •00 forks•11 star•00 issues•00 pull requests•Updated Aug 3, 2025Aug 3, 2025

• fastopen

  Public
  FASTOPEN DOS TSR

  Batchfile

  •

  MIT License

  •00 forks•11 star•00 issues•00 pull requests•Updated Sep 13, 2024Sep 13, 2024

• FreeLdr

  Public
  FreeLDR - highly configurable boot loader

  clinuxbootstrap+ 12

  clinuxbootstrapdosloaderasmassemblerx86bootloaderwin32+ 5

  C

  •11 fork•55 stars•44 issues•00 pull requests•Updated Jul 5, 2024Jul 5, 2024

• SUB

  Public
  Assembly

  •00 forks•11 star•00 issues•00 pull requests•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

  •169169 forks•11 star•00 issues•00 pull requests•Updated Jan 23, 2024Jan 23, 2024

• expand

  Public
  MS EXPAND.EXE clone

  C

  •

  GNU Lesser General Public License v2.1

  •00 forks•33 stars•11 issue•00 pull requests•Updated Jan 3, 2024Jan 3, 2024

• .github

  Public
  00 forks•00 stars•00 issues•00 pull requests•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•1010 stars•00 issues•00 pull requests•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

  •538538 forks•22 stars•00 issues•11 pull request•Updated Apr 3, 2023Apr 3, 2023

• winfile

  Public
  Original Windows File Manager (winfile) with enhancements

  C

  •

  MIT License

  •742742 forks•00 stars•00 issues•00 pull requests•Updated Feb 28, 2023Feb 28, 2023

• MVM

  Public
  Multiple Virtual Machines

  virtual-machinevirtualization

  virtual-machinevirtualization

  C

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 8, 2023Feb 8, 2023

• tools

  Public
  osFree build system

  C

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jan 2, 2023Jan 2, 2023