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
Boots into many systems and GRUB2 ones!
Yet another minimal Linux distribution, based on Arch Linux.
Easy, yet powerful, GNU/Linux distribution
Current Release: Calam-Arch-Installer-2026-02 Kernel: 6.18.7
NuTyX is a very flexible, complete GNU / Linux distribution
Testsuite to validate the reliability, robustness, stability of Linux.
Your concierge creating a Rich experience to Arch
https://github.com/libcgroup/libcgroup
The source for the Linux kernel used in Windows Subsystem for Linux 2
Market leading real time kernel for 40+ microcontroller architectures
Real-Time Event Frameworks based on active objects & state machines
Free operating system for Atari computers, and more.
Redox is an operating system written in Rust
Runtu is a desktop Linux distribution based on Ubuntu.