Portable C and C++ Development Kit for x64 (and x86) Windows

Modern Generic SVGA driver for Windows 3.1

Fix DecodePointer, EncodePointer,RegDeleteKeyEx etc. APIs not found in Windows XP RTM.

A high version of CMake that can run on Windows XP.

A community continuation of the OBLIGE Level Maker, originally by Andrew Apted, combined with ObAddon.

A free but powerful Windows kernel research tool.

Portable Executable reversing tool with a friendly GUI

Doom for 16-bit DOS computers

Chromium fork for Windows XP/2003 and up

Fork of Lambertsen & Jenner (& al.)'s IA-16 (Intel 16-bit x86) port of GNU compilers ― added far pointers & more • use https://github.com/tkchia/build-ia16 to build • Ubuntu binaries at https://lau…

16-bit DOS port of DOOM

PE Tools - Portable executable (PE) manipulation toolkit

PDBRipper is a utility for extract an information from PDB-files.

static analysis of C/C++ code

winlibs standalone build of GCC compiler and MinGW-w64

PE file viewer/editor for Windows, Linux and MacOS.

Memory Debugger for Windows, Linux, Mac, and Android

Kermit 95 (C-Kermit for Windows and OS/2) - scriptable internet and serial communications with terminal emulation

Patch for Windows 9x to fix CPU issues

legacy sound blaster emulation for DOS

Fork of JPEGView by David Kleiner - fast and highly configurable viewer/editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal GUI. Basic on-the-fly image processing is provided -…

Workplace Shell for Windows is a shell replacement program for WIN-OS/2 and Windows v3.1.

A simple but powerful DSL for charset/encoding conversion and transformation, pure C implementation with no extra dependencies

Vista-to-XP application converter

A "sub standard" C library for real-mode dos applications

A fork of RBTray from http://sourceforge.net/p/rbtray/code/.

UNOFFICIAL "Tier 4" Rust target for Windows 9x/Me/NT/2000/XP/Vista.

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Home of the HX DOS Extender and its DPMI-host HDPMI.