3x86 OS

The one true OS to rule them all.. as long as its running on a 80386.

Just a fun hello world OS explicitly to run on 386 class hardware.

Yet another simple kernel

mirror of the source code of the Xv6 operating system

a naive x86 OS kernel

x86 PC emulator that runs both natively and in the browser, via WebAssembly

ARM emulator

Xv6 for RISC-V

A very simple OS for x86: powered by C and Lua.

Computing with traps

The NewOS Operating System

A very Simple UNIX-Like Operating System Written in C, Assemble

A C Compiler that fits in the 512 byte boot sector of an x86 machine

A Simple OS (currenlty) developed in C, Assembly

Utilities to test and benchmark common string routines

test code to run on Foundation armv8 emulator

Experimental Stand-alone 32-bit Kernel with Bootloader written in AT&T Assembly and Freestanding C