Info-ZIP portable compression/archiver utilities (Zip, UnZip, WiZ, etc.)
FreeDOS is a free DOS-compatible operating system.
FreeDOS is a complete, free, DOS-compatible operating system that you can use to play classic DOS games, run legacy business software, or develop embedded systems. Any program that works on MS-DOS should also run on FreeDOS. It doesn’t cost anything to download and use FreeDOS. You can also share FreeDOS for others to enjoy! And you can view and edit our source code, because all FreeDOS programs are distributed under the GNU General Public License or a similar open source software license.
A MAME and MESS port with an advanced video support for Arcade Monitors, TVs, and PC Monitors. It also contains a bootable Linux LiveCD/USB, a frontend with animated MNG/MP3 snapshots, a rom manager, and recompression utilities for compressed files.
IMPORTANT NEWS: UPX has moved to GitHub https://upx.github.io ========================
Mikmod is a module player and library supporting many formats, including mod, s3m, it, and xm. Originally a player for MS-DOS, MikMod has been ported to other platforms, such as Unix, Macintosh, BeOS, and Java(!!)
Access VMware's shared folders from DOS
VMSMOUNT is an installable file system for DOS that allows access to VMware's shared folders as a normal drive letter.
Glide is a library for using 3dfx hardware. This project will be the public repository for Glide.
HX DOS extender
I'm preserving Japheth's MS-DOS extender. It features 16bit, and 32bit capabilities with the ability to run 16bit OS/2 program, and 32bit Win32 code on Vanilla MS-DOS.
The ultimate DOS XMS memory manager
This is HimemX - the open-source XMS memory manager of FreeDOS. Uses unreal mode when possible and has a very low conventional memory footprint. Got any patches? Noticed any bugs? Please report your findings on the FreeDOS mailing list: firstname.lastname@example.org
The netboot project allows booting a diskless PC over a TCP/IP based network using standard protocols like BOOTP, DHCP and TFTP. It is able to boot Linux, FreeBSD, multiple DOS variants (including MS-DOS, PC-DOS, PTS-DOS, OpenDOS, NovellDOS, FreeDOS)
CuteMouse is a DOS based mouse driver, fully written in assembly language. It's optimized for size (and speed) to allocate as small as possible amount of your precious 640KB RAM. It currently supports serial and PS/2 mice and, if BIOS support present an
basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.
NedoPC SDK is a set of development cross-tools (compilers/emulators) to develop system and user software (and hardware) for some old home minicomputers and new "homebrew" hobbyist-friendly computers (including development of that kind of computers)
an ethernet-based file system for DOS
EtherDFS is an 'installable filesystem' TSR for DOS. It maps a drive from a remote computer (typically Linux-based) to a local drive letter, using raw ethernet frames to communicate. For years, I was using LapLink to transfer files between my various "retro" computers. It works, yes, but it's also annoyingly slow and requires constant attention. One day I thought, "Wouldn't it be amazing if all my PCs could share a common network drive, similarly to how NFS operates in the *nix world?". This day EtherDFS was born. I clearly didn't invent anything - the concept has been around almost as long as the first IBM PC, and several commercial products addressed that need in the past. I am not aware, however, of any free and open-source solution.
Real-time, modular, microkernel-based operating system under development for i386. The first goal is to support 32-bit DOS protected mode applications made with DJGPP as well as native applications.
ZX Spectrum emulator
It's a ZX Spectrum emulator written entirely in Assembler. It runs under MS-DOS, and pretty well also in Windows and MS-DOS emulators, like Dosemu and Dosbox. It's the first emulating the Inves Spectrum + (a Spanish clone) You can try a newer and better emulator, made also by me, for Unix systems (Linux, Mac, Raspberry Pi and others) and Windows here: http://sourceforge.net/projects/zesarux/
Convert PSID and RSID files into C64 executables
PSID64 is a program that converts PSID and RSID files into C64 executables. This allows users to play PSID and RSID files (originally used by the PlaySID program) on a real Commodore 64 computer or emulator such as VICE.
ReSizeable RAMDisk for FreeDOS (and other DOS). SRDISK is fast and able to use over 32M of XMS and EMS memory. The size of disk can be changed without rebooting or loss of content. Diskcopy compatible.
DOS packet driver for Realtek RTL8101 integrated LAN chips. This project is the early development stage. All help is appreciated. Purpose: Create a generic packet driver for DOS to work on the RT8101 RTL8136 and RTL8139 chip-set.
Etherboot is Open Source code for creating boot ROMs for network booting x86, AMD64, Itanium, Hammer, Hyperstone and ARM (noMMU) platforms.
Graphics & music upgrades for Ultima games
Provides EGA/VGA upgrades to the IBM PC versions of Ultima's 2, 3, and 5. Also adds the orginal musical score to Ultima's 3 and 5. NOTE: This project has been moved to bitbucket due to Sourceforge's recent malware bundling practices.
JaguiD is a Java GUI for DOS. It consists of several sub-projects including a Java Compiler, a Class Runner and a Jar Packager. JaguiD has limited Java support to provide a Graphical User Interface for DOS and compatibles.
Pascal Operating System, That will translate Freedos to Pascal --OSPine written in Turbo Pascal and NASM. I think now I will make all that useful before I release. Thank for Feedback (^_^)
Program and Game Manager for DOS
Program Manager Eternity is an application for launching applications in DOS. Mainly, It is for the still very active FreeDOS platform. It is built on top of the newly created QuickCrt object-oriented framework for Turbo Pascal 7.0.
uDOS is a free operating system built on the FreeDOS kernel with DJGPP. uDOS provides an integrated suite of features inluding Perl, Python, etc., as well as a Watt-32 based networking environment and ELF library support. Can be run live from CD image.