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
Easy, yet powerful, GNU/Linux distribution
Yet another minimal Linux distribution, based on Arch Linux.
NuTyX is a very flexible, complete GNU / Linux distribution
Boots into many systems and GRUB2 ones!
Current Release: Calam-Arch-Installer-2026-02 Kernel: 6.18.7
Winux Operating System by Linuxfx
Your concierge creating a Rich experience to Arch
Free operating system for Atari computers, and more.
https://github.com/libcgroup/libcgroup
Testsuite to validate the reliability, robustness, stability of Linux.
Redox is an operating system written in Rust
A beautiful personal server OS for Raspberry Pi or any Linux distro
The source for the Linux kernel used in Windows Subsystem for Linux 2
Runtu is a desktop Linux distribution based on Ubuntu.
Real-Time Event Frameworks based on active objects & state machines