play audio CDs in DOS

Simple DOS PCM Player for SoundBlaster 16

Tools to play with XMS functions, useful to test XMMs.

Jemm386 and JemmEx are socalled EMMs ( Expanded Memory Managers ) or, more exactly, V86 monitors.

jwlink is a fork of the open watcom linker wlink. May create 16-, 32- and 64-bit binaries.

Masm compatible assembler

eXtended Memory Manager (XMM) that can manage memory beyond the 4 GB barrier, up to 1 terabyte.

DOS eXtended Memory Manager (XMM)

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

Harddisk check utility

Sound Blaster emulation for DOS

A set of DPMI debuggers for DOS and 16-bit Windows

PL0 debugger for Jemm

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

CauseWay DOS Extender

Displays lots of infos about DOS-based Windows versions (16-bit)

a few (ancient) tools mainly for Windows 3.1

WL32 - based on CauseWay's DOS linkers WL32 and WarpLink

Adjusted Open Watcom Debugger - mainly for HX and CauseWay. May debug real-mode and protected-mode programs. Works with OW 1.9 & 2.0.

displays contents of OMF object modules

DOS Disk Editor, handles all types of FAT file systems ( including exFAT )

Text Editor

Utilities for bare metal access to the High Definition Audio controller in DOS

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

A few small tools to display PCI info in DOS

Some tools to test and display APIC status in DOS

Windows Explorer application written in assembly

Variant of Dos64stub, running binary in compatibility mode

small stub that allows to run "bare" 64-bit PE binaries in DOS