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.




Haiku is described as 'Open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful' and is a very popular operating system in the os & utilities category. There are more than 100 alternatives to Haiku for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best Haiku alternative is Linux Mint, which is both free and Open Source. Other great apps like Haiku are Ubuntu, Debian, Arch Linux and Fedora.
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.







Ubuntu Christian Edition (UbuntuCE) is a free, open source operating system geared towards Christians. Ubuntu is a complete Linux-based operating system, freely available with both community and professional support.

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...








miniBSD is a project to develop a set of scripts that shrinks a running FreeBSD system to a small sized miniBSD distribution suited for small media like USB pens and CF cards.

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...




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.



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.






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...



