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.
Qimo For Kids Alternatives
Qimo For Kids is described as 'Qimo 4 Kids is a child-friendly desktop environment built entirely with free software. Qimo comes pre-installed with educational games for kids and themed with large colorful icons to help young users navigate easily' and is an app in the education & reference category. There are more than 100 alternatives to Qimo For Kids for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best Qimo For Kids alternative is Linux Mint, which is both free and Open Source. Other great apps like Qimo For Kids are Debian, Fedora, Arch Linux and Manjaro Linux.
Alternatives list
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.

- 136 Karoshi alternatives
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.


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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.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux

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.
Cost / License
- Free
- Open Source
Platforms
- Linux
Cost / License
- Free
- Proprietary
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux


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



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



- 156 Visopsys alternatives
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.


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