Browse free open source Operating System Kernels and projects for Windows below. Use the toggles on the left to filter open source Operating System Kernels by OS, license, language, programming language, and project status.
Boots into many systems and GRUB2 ones!
Market leading real time kernel for 40+ microcontroller architectures
Free operating system for Atari computers, and more.
QNAP GPL Source
freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
Indipendent distro uses inary package system. Sulin is roolling donkey
a very fast full system simulator
Custom firmware and IDE for the VEX Cortex Microcontroller
The smallest and the most powerful operating system.