The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations.



Gentoo is described as 'Linux is a versatile, fast, highly configurable and completely free Linux and FreeBSD distribution geared towards developers and network professionals' and is a very popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Gentoo for a variety of platforms, including Linux, Self-Hosted, Windows, BSD and Mac apps. The best Gentoo alternative is Linux Mint, which is both free and Open Source. Other great apps like Gentoo are Ubuntu, Arch Linux, Debian and Fedora.
The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations.



Netrunner is an Debian -based distribution with a focus on desktop computing. It boasts a carefully tuned KDE Plasma Plasma 5 desktop.




AnduinOS is a custom Ubuntu-based Linux distribution that aims to facilitate developers transitioning from Windows to Linux by maintaining familiar operational habits and workflows.




ArchBang is a simple GNU/Linux rolling release distribution which provides you with a lightweight Arch Linux system combined with the Openbox Window Manager.

SliTaz is a free operating system, working completely in RAM and booting from removable media such as a CD-ROM or USB key. SliTaz is distributed as a LiveCD, and weighs less than 40MB. The system is quick and responsive, clean and robust.


Edubuntu is an Ubuntu-based operating system that's designed for educational use in schools and other educational institutions.

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




Sourcemage is a source-based GNU/Linux distribution based on a Sorcery metaphor of 'casting' and 'dispelling' programs, which we refer to as 'spells'.



SparkyLinux is a Debian-based Linux distribution which provides ready to use, out of the box operating system with a set of slightly customized lightweight desktops.




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

Calculate Linux is based on Gentoo that is well known for its stability and great performance on a broad range of hardware: from Pentium Pro to modern CPUs.