Masm compatible assembler

DOG is a DOS SHELL (command interpreter)

Reverse engineered schematics of the Wugo PC II personal computer system board, an XT clone from 1986.

Fixed Disk Setup Program - manages partitions using the MBR partitioning scheme

SvarDOS bug tracker

Enhanced DR-DOS kernel and command interpreter ported to JWasm and OpenWatcom C

A small text editor for DOS real mode, written in Free Pascal

Lossless data compression codec with LZMA-like ratios but 1.5x-8x faster decompression speed, C/C++

A real-mode unpacker for tar-gz archives on DOS (super small!)

A driver to allow loading of EMM386.EXE in MS-DOS 8.00 real mode

NASM-compatible mini assembler for 8086, 186 and 286, able to run on DOS and on modern systems

compiling the Insight real-mode DOS 16-bit debugger with mininasm

CuteMouse is a small open source DOS mouse driver

An MS-DOS application for showing Pride Flags

Ring 0 debugger for HDPMI, Jemm and Win31/9X VMM

A tiny x86 retro computer

MtE - MuTation Engine

x86 Emulating Debugger (EDB)

A new 8086-based reimagining of PC DOS and BASIC

The Amsterdam Compiler Kit

A modern, scratch-built, open-source (GPLv3) alternative ROM BIOS for PC, XT, 8088 Clone or Turbo PCs.

C compiler driver to produce tiny DOS .exe and .com executables

Installs file-sharing and locking capabilities for FreeDOS kernel. (Not compatible with other DOS kernels.)

Debug and DebugX (short: Debug/X) are extended versions of MS DEBUG

Debug and DebugX are extended versions of the old MS DEBUG tool

Debug and DebugX are extended versions of the old MS DEBUG tool

Data compression utility for minimalist demoscene programs.