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
Yet another minimal Linux distribution, based on Arch Linux.
Easy, yet powerful, 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
NuTyX is a very flexible, complete GNU / Linux distribution
Testsuite to validate the reliability, robustness, stability of Linux.
Free operating system for Atari computers, and more.
https://github.com/libcgroup/libcgroup
Your concierge creating a Rich experience to Arch
A beautiful personal server OS for Raspberry Pi or any Linux distro
Your favorite operating systems in one place
The source for the Linux kernel used in Windows Subsystem for Linux 2
Redox is an operating system written in Rust
Real-Time Event Frameworks based on active objects & state machines