Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

16-bit SUBLEQ CPU running eForth - just for fun

A very simple linux kernel that boots into a luajit command line.

An updated version of the sam text editor.

Simple fantasy computer architecture

Fake OS/window manager made with raylib

Biscuit research OS

Community contributed code (ports, drivers, etc).

Phantom: Persistent Operating System

A barebones single-header GUI library for Win32, X11 and Essence.

Active Oberon System (AOS), aka A2, and Bluebottle OS

🍄 an alleged 'operating system'

a kernel

CP/M for the 6502

Some software for using Oberon 2013. http://www.inf.ethz.ch/personal/wirth/ProjectOberon/

An educational operating system written in C#. A great stepping stone from high to low level development.

No Operating System Project, seeking Dan Ingalls' quote: 'Operating Systems should not exist'. This is the generic platform