OpenIndiana is a robust enterprise operating system, based on the illumos kernel. It is open source, free to use, community developed, and suitable for servers and desktops.




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.
OpenIndiana is a robust enterprise operating system, based on the illumos kernel. It is open source, free to use, community developed, and suitable for servers and desktops.




Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and anti-virus scanner, and BitTorrent station.



Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.
Korora is an installable Fedora Remix Live USB image which aims to provide a complete out of the box experience for new users, including support for multimedia.


Gnoppix is the world 1st. AI open source operating system based on Linux with focus on user security and privacy-respecting alternative to Windows and macOS.

The AROS Research Operating System is a lightweight, efficient, and flexible desktop operating system, designed to help you make the most of your computer. It's an independent, portable and free project, aiming at being compatible with AmigaOS at the API level (like Wine...




openmamba GNU/Linux is a ready-to-use operating system for netbooks, notebooks, desktop and server personal computers.

Elive provides a dynamic and clean interface without saturating the look. Nothing in the desktop is static. Simplicity and intuitive is one of its best points.




PrismLinux is a performance-oriented, Arch-based distribution featuring a graphical installer and optimized kernels (Liquorix/Zen) for a fast, simple, and rolling-release desktop experience.

An Ubuntu Distribution that aims to make the switch to Linux easier, simpler and faster not just for Windows users but also Mac and Linux Distro users alike for free. Feren OS aims to be one of the best Distros, if not OSs out there...




Peropesis is a small-scale, minimalist, command-line-based Linux operating system. It's an incomplete system, but it's constantly being improved. Also, it is a free operating system created from a free software.