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.



Enso OS is described as 'Enso aims to be a clean and simple OS that is easy to use and incorporates some of our favourite projects from around the Linux world' and is a Linux Distro in the os & utilities category. There are more than 100 alternatives to Enso OS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best Enso OS alternative is Debian, which is both free and Open Source. Other great apps like Enso OS are Fedora, Arch Linux, openSUSE and FreeBSD.
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.


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



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

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.




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.



