amforth is an extendible interpreter on microcontrollers
A tapas/topaz/sapphire kernel optimized for smoothness and low-memory
Building and running ancient Linux on Windows
A microkernel-based multiserver operating system written from scratch.
OS-9/6809 compatible operating system for Tandy CoCo and Dragon
Real-Time Embedded Operating System
An operating system written in RTL
Lorena es un sistema operativo escrito en C, C++ y Ensamblador.
UEFI GTP fdisk is a disk partitionning tool running under UEFI/BIOS
Neptune is a kernel and operating system for x86 PCs.
A small operating system, compatible with MS-DOS, written in assemly
Embedded Real-Time Operating System (RTOS)
Project has been move to https://github.com/ciaa/Firmware
Operating System in 512bytes.
A simple os written in ASM
A new simple operating system