Repositories list

• wiki

  Public
  osFree Wiki backup

  Creative Commons Attribution Share Alike 4.0 International

  •0•3•0•0•Updated Jun 5, 2025Jun 5, 2025

• osfree

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

  opensourceuserlandosdev+ 5operating-systemos2osfreeopenwatcomregina-rexx

  C

  •11•123•15•0•Updated Feb 26, 2025Feb 26, 2025

• MacroLib

  Public
  ALP/MASM compatible macro library for BIOS and DOS

  dosasmassembler+ 8wasmmousebiosmasmjwasmdpmiwatcom+ 1

  Assembly

  •

  Other

  •0•1•1•0•Updated Feb 26, 2025Feb 26, 2025

• FamilyApp

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

  dosos2osfree+ 1dualmode

  C

  •

  Other

  •0•2•9•0•Updated Dec 1, 2024Dec 1, 2024

• FamilyAPI

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

  dosos2

  Assembly

  •

  Other

  •0•1•4•0•Updated Dec 1, 2024Dec 1, 2024

• DOS

  Public
  DOS Personality

  cdoskernel+ 3utilsx86command-line

  C

  •0•6•6•0•Updated Dec 1, 2024Dec 1, 2024

• WIN16

  Public
  osFree Windows Kernel for osFree Win16 Personality

  dosretroosdev+ 11x86multitaskingcooperativewin168086dpmicooperative-multitasking+ 4

  C

  •

  Other

  •1•18•5•0•Updated Nov 30, 2024Nov 30, 2024

• UNI

  Public
  Pascal

  •0•1•1•0•Updated Oct 8, 2024Oct 8, 2024

• minesweeper

  Public
  Minesweeper clone for Win 3.x

  windowscloneminesweeper+ 6retrominesweeper-gamewin16windows-3-xosfreewinmine

  C

  •

  GNU Lesser General Public License v2.1

  •0•4•0•0•Updated Sep 21, 2024Sep 21, 2024

• taskman

  Public
  Windows 3.x TaskMan clone

  cloneretrowin16+ 5win16apitaskmanagertaskmanwindows-3-xosfree

  C

  •

  Other

  •1•4•1•0•Updated Sep 21, 2024Sep 21, 2024

• fastopen

  Public
  FASTOPEN DOS TSR

  Batchfile

  •

  MIT License

  •0•1•0•0•Updated Sep 13, 2024Sep 13, 2024

• winver

  Public
  Windows 3.x winver clone

  windowscloneretro+ 4win16win16apios2windows-3-x

  C

  •

  GNU Lesser General Public License v2.1

  •0•5•0•0•Updated Aug 29, 2024Aug 29, 2024

• FreeLdr

  Public
  FreeLDR - highly configurable boot loader

  clinuxbootstrap+ 12dosloaderasmassemblerx86bootloaderwin32+ 5

  C

  •1•4•4•0•Updated Jul 5, 2024Jul 5, 2024

• doskrnl

  Public
  Modified FreeDOS kernel - implements DOSKRNL for osFree MVM

  dosvirtual-machineretro+ 5virtualizationvdmfreedososfreemvdm

  C

  •

  GNU General Public License v2.0

  •152•1•0•0•Updated Jun 17, 2024Jun 17, 2024

• SUB

  Public
  Assembly

  •0•1•0•0•Updated Apr 5, 2024Apr 5, 2024

• sysedit

  Public
  Windows 3.x sysedit.exe clone

  clonewin16windows-3-x+ 1systedit

  C

  •

  GNU General Public License v3.0

  •0•3•0•0•Updated Mar 26, 2024Mar 26, 2024

• clipbrd

  Public
  Windows 3.x clipboard viewer clone

  C

  •

  GNU General Public License v2.0

  •0•3•1•0•Updated Mar 26, 2024Mar 26, 2024

• osFreeBE

  Public
  Batchfile

  •0•1•0•0•Updated Jan 30, 2024Jan 30, 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

  •138•1•0•0•Updated Jan 23, 2024Jan 23, 2024

• tpro

  Public
  Turbo Professional Clone

  Pascal

  •0•3•0•0•Updated Jan 22, 2024Jan 22, 2024

• expand

  Public
  MS EXPAND.EXE clone

  C

  •

  GNU Lesser General Public License v2.1

  •0•3•1•0•Updated Jan 3, 2024Jan 3, 2024

• clock

  Public
  Windows 3.x Clock open source clone

  cloneretrowindow+ 4win1616bitwindows-3-xclock

  C

  •

  GNU Lesser General Public License v2.1

  •0•3•1•0•Updated Dec 30, 2023Dec 30, 2023

• pifedit

  Public
  PIFEDIT for Windows 3.x

  retrowin16windows-3+ 2windows-3-xosfree

  C

  •

  GNU General Public License v3.0

  •0•3•1•0•Updated Nov 8, 2023Nov 8, 2023

• .github

  Public
  0•0•0•0•Updated Nov 6, 2023Nov 6, 2023

• notepad

  Public
  Open source notepad clone for windows 3.x

  windowsclonenotepad+ 3retrowin16windows-3-x

  C

  •

  GNU Lesser General Public License v2.1

  •0•4•2•0•Updated Oct 2, 2023Oct 2, 2023

• os3

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

  apiopensourceosdev+ 7microkernelos2l4genodeosfreel4envl4re

  C

  •2•10•0•0•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://gitlab.com/tkchia/GW-BASIC • fork of https://github.com/dspinellis/GW-BASIC

  Assembly

  •

  MIT License

  •504•2•0•1•Updated Apr 4, 2023Apr 4, 2023

• winfile

  Public
  Original Windows File Manager (winfile) with enhancements

  C

  •

  MIT License

  •725•0•0•0•Updated Feb 28, 2023Feb 28, 2023

• MVM

  Public
  Multiple Virtual Machines

  virtual-machinevirtualization

  C

  •0•0•0•0•Updated Feb 9, 2023Feb 9, 2023

• tools

  Public
  osFree build system

  C

  •0•0•0•0•Updated Jan 3, 2023Jan 3, 2023