Winux Operating System by Linuxfx
QNAP GPL Source
amforth is an extendible interpreter on microcontrollers
Q1-kernel a hybrid kernel
freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
R kernel for Jupyter
A cute and educational x86 OS
The smallest and the most powerful operating system.
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
Open-source RTOS and Embedded Systems Toolkit for C++ and C
Real-Time Embedded Operating System
PRTOS is a simple, compact preemptive RTOS for embedded systems
ext2/3/4 library for microcontrollers
W-Bus communication library
Run Linux on Windows or other OSes, natively.
Tool allowing you to put a Linux distro on a USB drive.