Move and resize windows on macOS with keyboard shortcuts and snap areas

A highly customizable macOS status bar replacement

Doom port for DOS, optimized to be as fast as possible!

x3270 Theme Repository based on terminal.sexy

Open source Linux version of the IBM mainframe z/OS ISPF Dialogue Manager

A 3270 font in a modern format

Automatically exported from code.google.com/p/tricks-of-the-3d-game-programming-gurus

A collection of GW-BASIC code by various authors

A repo of built Windows binaries and instructions on how to compile a shared library on Windows

Simple Raster Graphics Package

Simple Programmer's Hierarchical Interactive Graphics Standard

Disassembly of the Apple II Desktop - ProDOS GUI

Examples from my book Programming Boot Sector Games

Simple game engine.

Fixedsys Excelsior font with programming ligatures

Official repository for 8086tiny: a tiny PC emulator/virtual machine

Perfect DOS VGA 437 Fonts by @zeh

Emulates an old-style "code page 437" / "IBM-PC" character set terminal on a modern UTF-8 terminal emulator.

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

Microsoft KnowledgeBase Archive

Markdown source for Michael Abrash's Zen of Assembly Language (1990)

Curated list of references for development of DOS applications.

Run Linux programs on DOS

The original IBM PC and other machine emulations in JavaScript

Various experiments using the pixel library

🔐CNCF Security Technical Advisory Group -- secure access, policy control, privacy, auditing, explainability and more!

Build cross-platform modern desktop apps in Go + HTML5

Enarx: Confidential Computing with WebAssembly

VMware Tanzu Community Edition is no longer an actively maintained project. Code is available for historical purposes only.

A simple Timer app for Mac