RetroBSD is a port of 2.11BSD Unix intended for embedded systems with fixed memory mapping. The current target is Microchip PIC32 microcontroller with 128 kbytes of RAM and 512 kbytes of Flash.
ROSA Linux Alternatives
ROSA Linux is described as 'Linux operating system and distribution, developed by Russian company LLC NTC IT ROSA. It is available in three different editions: ROSA Desktop Fresh (GNOME and KDE), ROSA Enterprise Desktop, and ROSA Enterprise Linux Server' and is a Linux Distro in the os & utilities category. There are more than 100 alternatives to ROSA Linux for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best ROSA Linux alternative is Linux Mint, which is both free and Open Source. Other great apps like ROSA Linux are Ubuntu, Debian, Fedora and Arch Linux.
Alternatives list
Sourcemage is a source-based GNU/Linux distribution based on a Sorcery metaphor of 'casting' and 'dispelling' programs, which we refer to as 'spells'.



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.



Pentoo is a security-focused livecd based on Gentoo. It's basically a Gentoo install with lots of customized tools, a customized kernel, and much more.



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.



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


+3
Cost / License
- Free
- Proprietary
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux


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.


+5
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.








































