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.

2/OS is described as 'Windows-like operating system under posix system' and is a operating system in the os & utilities category. There are more than 50 alternatives to 2/OS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best 2/OS alternative is Linux Mint, which is both free and Open Source. Other great apps like 2/OS are Ubuntu, Debian, Fedora and Manjaro 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.



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.


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.
