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
Blazingly Fast & Customizable Linux distribution
Linuxfx Operating System
Yet another minimal Linux distribution, based on Arch Linux.
Boots into many systems and GRUB2 ones!
Easy, yet powerful, GNU/Linux distribution
Market leading real time kernel for 40+ microcontroller architectures
Windows Theme Over Linux a.k.a "WINUX" (old Wubuntu)
https://github.com/libcgroup/libcgroup
Testsuite to validate the reliability, robustness, stability of Linux.
Current Release: Calam-Arch-Installer-2025-07 Kernel: 6.15.4
A beautiful personal server OS for Raspberry Pi or any Linux distro
Creating a Rich experience to ARCH
The source for the Linux kernel used in Windows Subsystem for Linux 2
Free operating system for Atari computers, and more.