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
Boots into many systems and GRUB2 ones!
Yet another minimal Linux distribution, based on Arch Linux.
Current Release: Calam-Arch-Installer-2025-11 Kernel: 6.17.6
Winux Operating System by Linuxfx
Testsuite to validate the reliability, robustness, stability of Linux.
Easy, yet powerful, GNU/Linux distribution
https://github.com/libcgroup/libcgroup
Market leading real time kernel for 40+ microcontroller architectures
A beautiful personal server OS for Raspberry Pi or any Linux distro
Creating a Rich experience to ARCH
Redox is an operating system written in Rust
OSX, Windows, and Linux Desktop Clients for Rocket.Chat
The source for the Linux kernel used in Windows Subsystem for Linux 2
Runtu is a desktop Linux distribution based on Ubuntu.
Free operating system for Atari computers, and more.