An operating system based on the best Windows NT design principles
Building and running ancient Linux on Windows
Free operating system for Atari computers, and more.
amforth is an extendible interpreter on microcontrollers
Software development for 4Mb portable, using Z80 CPU and AA batteries
16 bit real mod minecraft clone running in bios
AO RTOS is small real time OS based on Active Object concurrency model
Alternative operating system for x86 computers
A cute and educational x86 OS
A microkernel-based multiserver operating system written from scratch.
C-BIOS is an open source BIOS for MSX computers.
OS-9/6809 compatible operating system for Tandy CoCo and Dragon
Indipendent distro uses inary package system. Sulin is roolling donkey
OS bootable from Linux,Windows and others partitions as auxiliary OS
RTOS for Secure, Safe and Real-Time Systems
Real-Time Embedded Operating System
An operating system written in RTL
A Debug style tool for OS Free systems
Reductively Architected Breviloquently Built Information Environment