Community-led Proof-of-Concept for a common free Operating System for the EU public sector.

Qubes OS is described as 'Qubes is an open source operating system designed to provide strong security for desktop computing' and is a very popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Qubes OS for a variety of platforms, including Linux, Self-Hosted, Mac, Windows and BSD apps. The best Qubes OS alternative is Linux Mint, which is both free and Open Source. Other great apps like Qubes OS are Ubuntu, Debian, Fedora and Arch Linux.
Community-led Proof-of-Concept for a common free Operating System for the EU public sector.

Cloud-first, fast, easy-to-manage, and secure operating system for PCs and Macs. ChromeOS Flex is a sustainable way to modernize devices you already own. It’s easy to deploy across your fleet or simply try it to see what a cloud-first OS has to offer.



ALT Linux is a set of RPM-based, APT-managed operating systems built on top of the Linux kernel and Sisyphus package repository branches. ALT Linux Rescue is, well, the disaster recovery tool.




Kodachi is a Debian-based distro which can be run from a DVD or USB thumb drive. It filters network traffic via a VPN and Tor, obscuring the user's location. It attempts to clean up after itself, removing traces of its use from the computer.



antiX is a fast, lightweight and easy to install systemd-free Linux live CD distribution based on Debian Stable for Intel-AMD x86 compatible systems.


The CLIP OS project is an open source project maintained by the ANSSI (National Cybersecurity Agency of France) that aims to build a secure, multi-level operating system, based on the Linux kernel and a lot of free and open source software.
Ubuntu Budgie (previously budgie-remix) is an Ubuntu-based distribution featuring the Budgie desktop, originally developed by the Solus project. Written from scratch and integrating tightly with GNOME stack, Budgie focuses on simplicity and...




MINIX is a POSIX-compliant Unix-like operating system based on a tiny microkernel running in kernel mode with the rest of the operating system running as a number of isolated, protected, processes in user mode.

Pardus is a GNU/Linux distribution funded and developed by the Scientific & Technological Research Council of Turkey (TÜBITAK). Pardus’ main focus is home use and office-related work with a user-friendly graphical interface using Gnome or Xfce desktop environments.



The unofficial successor of Antergos, RebornOS is an Arch-based distro that focuses on allowing the user to decide exactly how they want their system while making it easy for anyone to do so - both during installation and afterwards.


Knoppix is an operating system based on Debian designed to be run directly from a CD / DVD (Live CD) or a USB key (Live USB), one of the first of its kind for any operating system. When starting a program, it is loaded from the removable medium and decompressed into a RAM drive.