The source for the Linux kernel used in Windows Subsystem for Linux 2
This is the stress-ng upstream project git repository.
Zen Patched Kernel Sources
Scalable, optimized, secure RTOS for multiple hardware architectures
A Fast, Offline, Graphical distribution based on Arch Linux
A free Windows-compatible Operating System
A BSD-based OS project that aims to provide an experience with MacOS
Building and running ancient Linux on Windows
Free operating system for Atari computers, and more.
Market leading real time kernel for 40+ microcontroller architectures
QNAP GPL Source
Real-Time Event Frameworks based on active objects & state machines
The classic RPL programming language reimplemented and reimagined.
Software development for 4Mb portable, using Z80 CPU and AA batteries
A hobby micro-kernel operating system
Get latest Edition here: http://www.openqrm-enterprise.com.
Low power application-configurable Operating System
Hobby operating system, bootloader, kernel, drivers, C library
Alternative operating system for x86 computers
freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
A cute and educational x86 OS