Darwin is the Open Source operating system from Apple that forms the basis for Mac OS X, and PureDarwin is a community project to make Darwin more usable (some people think of it as the informal successor to OpenDarwin.

SerenityOS is described as 'Serenity is a graphical 32-bit Unix-like operating system with 90s aesthetics and built for x86 systems' and is a operating system in the system & hardware category. There are more than 100 alternatives to SerenityOS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best SerenityOS alternative is Tails, which is both free and Open Source. Other great apps like SerenityOS are Zorin OS, Lubuntu, Rocky Linux and FydeOS.
Darwin is the Open Source operating system from Apple that forms the basis for Mac OS X, and PureDarwin is a community project to make Darwin more usable (some people think of it as the informal successor to OpenDarwin.




Karoshi provides a simple graphical interface that allows for quick installation, setup and maintenance of a network.



GNU-Darwin aims to be the most free software distribution. Our mission is two-fold: Focus on projects that leverage our unique combination of Darwin and GNU, and help users to enjoy the benefits of software freedom.



BeeFree OS is inspired from Ubuntu, Windows 7 and Linux Mint. The name is acronym for Beautiful, Effective, Efficient and Freedom.




ULinux is based on openSUSE, and is a free linux distribution with the aim of combining the DIY-approach of Arch with the setup of Ubuntu.

Ubuntu Cloud is an open source Linux operating system designed to be used as a personal cloud server. It is based on the well known Ubuntu Linux distribution and recognized as an official Ubuntu flavor, distributed by Canonical.


Springdale Linux (SDL) / Formerly known as PUIAS Linux is a RHEL-based Distribution and Mirror. A project of members of the computing staff of ?Princeton University and the ?Institute for Advanced...
A new OS/2-based operating system from Arca Noae, codenamed Blue Lion, arrived today, May 15, 2017, after nearly two years in development.

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.




