Browse free open source Operating System Kernels and projects for Linux below. Use the toggles on the left to filter open source Operating System Kernels by OS, license, language, programming language, and project status.
Blazingly Fast & Customizable Linux distribution
Winux Operating System by Linuxfx
Yet another minimal Linux distribution, based on Arch Linux.
Boots into many systems and GRUB2 ones!
Current Release: Calam-Arch-Installer-2026-04 Kernel: 6.19.10
Testsuite to validate the reliability, robustness, stability of Linux.
Easy, yet powerful, GNU/Linux distribution
Free operating system for Atari computers, and more.
Your concierge creating a Rich experience to Arch
The source for the Linux kernel used in Windows Subsystem for Linux 2
https://github.com/libcgroup/libcgroup
ExTiX with Deepin/LXQt/GNOME/WayDroid and kernel 7.0.0-rc6-amd64-exton
Market leading real time kernel for 40+ microcontroller architectures
Linux Kernel for Surface Devices
Real-Time Event Frameworks based on active objects & state machines