A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network…

xhyve, a lightweight OS X virtualization solution

LK embedded kernel

The lcc retargetable ANSI C compiler

GPGPU microprocessor architecture

The Computer History Simulation Project

Emulator for the Commander X16 8-bit computer

The NewOS Operating System

Reverse engineered game Starflight (1986)

Virtual Machine and Assembler for Notch's DCPU-16 Architecture

Design, documentation and software for the Really Old School Computer (M68K)

UNIX-like operating system written in C and C++

ARM emulator

uefi bootloader and kernel for x64

little kernel port for HD2/LEO

MOP daemon (VAX netboot)

Simple Operating System for educational purposes

simple alsa test code

This project has been superceded by mdebug -->

Experiments with OpenGL3.2/OpenGL3.3 on Linux and Win7 (and someday OSX)

Sic IRC client for BSD 2.11

LK embedded kernel

Little kernel written by Travis Geiselbrecht, ported by cedesmith to QSD8250b based HD2 for bootstrapping linux kernel on wince device (HTC HD2)

The lcc retargetable ANSI C compiler