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.
Linux Desktop OS for professionals
Linuxfx Operating System
Blazingly Fast & Customizable Linux distribution
Windows Theme Over Linux a.k.a "WINUX" (old Wubuntu)
Yet another minimal Linux distribution, based on Arch Linux.
Easy, yet powerful, GNU/Linux distribution
Boots into many systems and GRUB2 ones!
Market leading real time kernel for 40+ microcontroller architectures
Current Release: Calam-Arch-Installer-2025-07 Kernel: 6.15.4
Testsuite to validate the reliability, robustness, stability of Linux.
https://github.com/libcgroup/libcgroup
Free operating system for Atari computers, and more.
Creating a Rich experience to ARCH
A beautiful personal server OS for Raspberry Pi or any Linux distro
Runtu is a desktop Linux distribution based on Ubuntu.