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.
Boots into many systems and GRUB2 ones!
Windows Theme Over Linux a.k.a "WINUX" (old Wubuntu)
Linuxfx Operating System
Easy, yet powerful, GNU/Linux distribution
Market leading real time kernel for 40+ microcontroller architectures
Current Release: Calam-Arch-Installer-2025-08 Kernel: 6.15.8
Testsuite to validate the reliability, robustness, stability of Linux.
https://github.com/libcgroup/libcgroup
Creating a Rich experience to ARCH
Free operating system for Atari computers, and more.
A beautiful personal server OS for Raspberry Pi or any Linux distro
Runtu is a desktop Linux distribution based on Ubuntu.
The source for the Linux kernel used in Windows Subsystem for Linux 2