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.

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, Windows and BSD 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.
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.

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.




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.


Visopsys (VISual OPerating SYStem) is an alternative operating system for PC-compatible computers, written “from scratch”, and developed primarily by a single hobbyist programmer since 1997.




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.


Popular Alternatives to Scratch for Windows, Web, Mac, Linux, iPad and more. Explore 25+ apps like Scratch, all suggested and ranked by the AlternativeTo user community.




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...
The ubermix is an all-free, specially built, Linux-based operating system designed from the ground up with the needs of education in mind.



Neptune is a GNU/Linux Distribution for desktops based fully upon Debian Stable. It ships with a modern KDE Plasma Desktop with its main view on a good looking multimedia system which allows for getting work done.



