illumos is a free and open-source Unix operating system. It derives from OpenSolaris, which in turn derives from SVR4 UNIX and Berkeley Software Distribution (BSD). illumos comprises a kernel, device drivers, system libraries, and utility software for system administration.
GNU Guix Alternatives
GNU Guix is described as 'A purely functional package manager and an advanced distribution of the GNU operating system developed by the GNU Project—which respects the freedom of computer users' and is a Linux Distro in the os & utilities category. There are more than 100 alternatives to GNU Guix for a variety of platforms, including Linux, Mac, Self-Hosted, BSD and Windows apps. The best GNU Guix alternative is Linux Mint, which is both free and Open Source. Other great apps like GNU Guix are Ubuntu, Debian, Fedora and Arch Linux.
Alternatives list
- 98 Feren OS alternatives
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...


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NixBSD is an attempt to make a reproducible and declarable BSD, based on NixOS. Although theoretically much of this work could be copied to build other BSDs, all work thus far has been focused on building a FreeBSD distribution.
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.


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Dragora GNU/Linux is a distribution created from scratch with the intention of providing a stable, multi-platform and multi-purpose operating system. It is built upon 100% free software. It has a very simple packaging system that allows installing, removing, upgrading and...



Kaisen Linux is a distribution for IT professional based on the Debian GNU/Linux distribution. It is a complete operating system whose originality is to provide a set of tools dedicated to system administration and covering all the needs for diagnosing and dealing with faults or...


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GoboLinux is a modular Linux distribution: it organizes the programs in your system in a new, logical way.


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

With the release of GNOME 3.38.0, we started producing and distributing bootable VM images for debugging and testing features before they hit any distribution repository. We called the images GNOME OS. The name itself is not new, and what it stands for has not changed...
CRUX is a lightweight GNU/Linux distribution for the x86-64 architecture targeted at experienced users. The primary focus of this distribution is keep it simple, which is reflected in a straightforward tar.



- 58 Athena OS alternatives
Athena OS is an Arch-derived Linux distribution designed for penetration testing, bug-bounty hunting and InfoSec students. The distribution provides a way to connect directly to some of the e-learning hacking resources, such as Hack The Box, Offensive Security, PWNX and InfoSec...


















