





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.



Symphony OS is a Live CD Linux-based operating system, developed by Ryan Quinn, Jason Spisak, and Alexander Drummond. The distribution was dormant until 29 June 2011, when a new build was released (Developer Build 2011.7511).

LiveXP is a very flexible PE 1x, using Explorer as shell, supporting SATA/IDE drives, USB devices, and many other features and tweaks. This project is based on PE environment and will use a Windows ™ XP/2003 Install CD.





ChromiumOS fork with Thorium Browser, x264/x265 codecs, Widevine, Kernel 5.15, Linux firmware/modules support, Nouveau, Intel microcode, and extra packages.
Docker + Minecraft = Dockercraft. Contribute to docker/dockercraft development by creating an account on GitHub.




An operating system written in Common Lisp. Contribute to froggey/Mezzano development by creating an account on GitHub.

OS.watch is a directory of operating systems, "exploring the universe of Operating Systems". It provides links to official webpages, release history and links for download ISO files.



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.

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.




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.




A new OS/2-based operating system from Arca Noae, codenamed Blue Lion, arrived today, May 15, 2017, after nearly two years in development.

KISS is an independent Linux® distribution with a focus on simplicity and the concept of "less is more". The distribution targets only the x86-64 architecture and the English language.




An operating system designed with latest features and security for everyone who want to unleash their potential.


