System Software for MS-DOS

Browse free open source System software and projects for MS-DOS below. Use the toggles on the left to filter open source System software by OS, license, language, programming language, and project status.

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  • 1
    uCON64 is a tool to backup all kinds of video games. It supports almost every available backup unit for cartridge-based consoles and performs many other tasks like ROM hacking.
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    Downloads: 197 This Week
    Last Update:
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  • 2
    DOS/32 Advanced DOS Extender is a drop-in replacement for the DOS/4GW DOS Extender and compatibles. Being fast, small and flexible DOS/32A can be used in many environments, from embedded systems to DOS emulators, by both developers and end users alike.
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    Downloads: 85 This Week
    Last Update:
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  • 3
    This is an insultingly simple project. It's just one file, existential.exe. It's 6 KB in size, has no dependencies or external libraries, and does absolutely nothing whatsoever. So if you need a dummy Windows executable, here ya go.
    Downloads: 17 This Week
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  • 4
    BitVisor is a tiny hypervisor initially designed for mediating I/O access from a single guest OS. Its implementation is mature enough to run Windows and Linux, and can be used as a generic platform for various research and development projects.
    Downloads: 5 This Week
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  • 5
    BEYE (Binary EYE) is a free, portable, advanced file viewer with built-in editor for binary, hexadecimal and disassembler modes. It contains a highlight AVR/Java/i86-AMD64/ARM-XScale/PPC-64 and other disassembler, full preview of MZ,NE,PE,ELF and other.
    Downloads: 11 This Week
    Last Update:
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  • 6
    TinyTcl is a tiny version of Tcl, for small footprint machines and embeddable/rommable applications. It is derived from Tcl 6.7 and compiles to less than 60K, 10X smaller than Tcl 7 and Tcl 8.
    Downloads: 4 This Week
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  • 7
    CL - Matrix - GUI: The main purpose of the project addressing to the command line prompt riders.. This will be wokring mainly as a library for C++, allowing programmers to use pseudo grafics in their applications. CL - Matrix - Enviroment: A real envi
    Downloads: 0 This Week
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  • 8
    Cam is written in C++/asm for FreeDOS. It allows users to take a screen shot of the monitor in text-mode, which is saved to a file of their choice. The output file can be displayed by simply using the "type" command with the Cam file as the parameter.
    Downloads: 0 This Week
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  • 9
    DOSConf is an installer to install, update, repair, remove and create installation and patch package. It will be developed for DOS / Win32 platforms and in the future for another operating systems, like Linux.
    Downloads: 0 This Week
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  • 10
    The Delphi WDosX Project Library (DWPL) is an Open Source cross-platform library (based on FreeCLX) to make the development of 32-bit DOS programs with Delphi (using WDOSX) flawless, and to make the UI created with CLX available to DOS programs.
    Downloads: 0 This Week
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  • 11
    DirUse is a DOS command-line tool to display folders size information: # folders, # files and "human readable format" total size.
    Downloads: 0 This Week
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  • 12
    Here are asm source codes for parallel port dma and fifo fast transfer of data. They are command line programs for dos and Win95/98. With winio they can be used in WinNT/2000/XP. Transfer rates up to 750 kbytes/sec. Recurrences directories.
    Downloads: 0 This Week
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  • 13
    Small tools for diverse usage. Targeted for the win32-console or as 'small' GUI's (win32)
    Downloads: 0 This Week
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  • 14
    NedoPC SDK was moved to https://gitlab.com/nedopc/sdk
    Downloads: 0 This Week
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  • 15
    This project aims at providing a POSIX compliant subsystem for OS/2. A first version will provide missing extensions to the existing EMX libraries; a future version will port and integrate BSD libraries as a standalone environment.
    Downloads: 0 This Week
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  • 16
    STDNOJ - Faster tool creation in C++

    STDNOJ - Faster tool creation in C++

    Over 600 classes for Web, RFC & File Management

    Develop cross-platform tools faster using a C++ Framework proven in commercial software. Classes support logging, sockets, RFC servers (NNTP, SMTP, POP, HTTP), object indexing, ini, tagged databases, file systems, and more. The STDNOJ Namespace, by R.A. Nagy
    Downloads: 0 This Week
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  • 17
    Set of Add-ins to run standard Cygwin/Unix command line facilities from Excel. Creates batch files, runs them as part of excel (or independent of) to : ZIP, GZIP, BZIP2 files, dos2unix & unix2dos files. Also automates DOS DIR to list files to spreadsheet
    Downloads: 0 This Week
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  • 18
    C library which allows to easily setup a VT52/VT100/ANSI/ECMA048/AVATAR telnet server. Can handle multiple clients with a simple API, main features: minimal bandwidth consumption, optimized network architecture, console color support.
    Downloads: 0 This Week
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  • 19
    Input/output (IO) C library exposing a common API for real mode and permission-restricted access to parallel port under Windows, Linux and MS-DOS operative systems. It also allows pin-by-pin port access.
    Downloads: 0 This Week
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  • 20
    The Vortex project consists of 2 things. The Vortex OS and VParse. The OS is multitasking and handles a lot of features. VParse is a stand alone Vertex2 parser. Vertex is vortex's scripting language. Pre 0.7 is QBasic and 0.7 is C++.
    Downloads: 0 This Week
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  • 21
    This project was started in an effort to ease development of Swing applications by creating a XML to Swing rendering utility. Although this project is definitely in the first released state, it shows great promise and focuses solely on the Swing API as a
    Downloads: 0 This Week
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  • 22
    Can emulate old computer on text the code pogram ideal to create kernel for operating system The begin the project the can emulate CPU(8080)and z80.
    Downloads: 0 This Week
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  • 23
    cingb is an ATTEMPT to write a Gameboy-emulator for all kinds of platforms. It plays Gameboy and Gameboy Color ROMs, includes a debugger for step-by-step analysis of Gameboy programs and might be also interesting for educational purposes.
    Downloads: 0 This Week
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  • 24
    easyasio is a cross-platform library uses asio for asynchronous TCP/UDP server/client. You can move from TCP to UDP/UDP to TCP without chaining your code at all, and it has connection pool/manager to handle clients connection/disconnection and messages
    Downloads: 0 This Week
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  • 25
    DJGPP library for per-sector access to large disk drives >8Gb. It works via int13 BIOS extensions and can be used in any OS, which allows access to this service.
    Downloads: 0 This Week
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