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!
Easy, yet powerful, GNU/Linux distribution
Market leading real time kernel for 40+ microcontroller architectures
Current Release: Calam-Arch-Installer-2025-11 Kernel: 6.17.6
Testsuite to validate the reliability, robustness, stability of Linux.
Linuxfx Operating System
https://github.com/libcgroup/libcgroup
Windows Theme Over Linux a.k.a "WINUX" (old Wubuntu)
The source for the Linux kernel used in Windows Subsystem for Linux 2
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.
Redox is an operating system written in Rust
OSX, Windows, and Linux Desktop Clients for Rocket.Chat