Emulates Mac Plus, PC, & Atari ST in the browser using WebAssembly

The original IBM PC and other machine emulations in JavaScript

PCjs Machines 1.0 (archived)

PC-BASIC - A free, cross-platform emulator for the GW-BASIC family of interpreters

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

Byte-aligned, efficient lossless packer that is optimized for fast decompression on 8-bit micros

RetroTxt is the WebExtension that turns ANSI, ASCII, NFO text into web documents.

A big ol' pile of bitmap fonts in raw binary format, for use w/Fontraption font editor (and anywhere else)

The IBM PS/1 emulator.

A tiny but powerful VGA text mode font editor for DOS

Bitmap arrays for rendering CP437 glyphs using IBM PC OEM fonts

The famous Intel 8080 CP/M 2.2 to Intel 8086/8088 MS-DOS assembly language translator.

A new 8086-based reimagining of PC DOS and BASIC

Tiny IBM PC compatible machine with 386 CPU, integrated VGA and sound.

IBM PC/Clone 8086+ floppy-loading of option roms.

Windows package to mount disk images and real floppy drives for non standard windows file systems

[WIP] 8086 IBM PC emulator

A real-time clock PC BIOS ROM for XT systems supporting many popular RTC ICs

Innovation SSI-2001 replica that can be built without vintage components

512-byte boot sector remake of Bill Gates' DONKEY.BAS game from DOS 1.0