The CLIP OS project is an open source project maintained by the ANSSI (National Cybersecurity Agency of France) that aims to build a secure, multi-level operating system, based on the Linux kernel and a lot of free and open source software.
Ubuntu MATE Alternatives
Ubuntu MATE is described as 'Ubuntu Mate is a stable, easy-to-use operating system with a configurable desktop environment. Ideal for those who want the most out of their desktops, laptops and netbooks and prefer a traditional desktop metaphor' and is a popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Ubuntu MATE for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and BSD apps. The best Ubuntu MATE alternative is Linux Mint, which is both free and Open Source. Other great apps like Ubuntu MATE are Ubuntu, Debian, Fedora and Arch Linux.
Alternatives list
Minoca OS is a general purpose operating system designed specifically for feature-rich embedded devices. It's got all the high-level functionality that you've come to expect from an operating system, but offers it in a fraction of the memory footprint.


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



General purposed Web Desktop Operating Platform / OS for Raspberry Pis, Now written in Go! - tobychui/arozos


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Frugalware Linux is an independently developed general purpose desktop Linux distribution designed for intermediate users. It follows simple Slackware -like design concepts and includes the .

AcademiX GNU/Linux is a Debian-based Linux distribution developed specifically for education. The distribution was built on the Debian Linux (Stretch / Buster) distribution and contains free software for education.
Cost / License
- Free
- Open Source
Platforms
- Linux


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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.



Xfce panel plugin which allows to put the maximized window title and windows buttons on the panel.
Cost / License
- Free
- Open Source
Platforms
- Linux
- Xfce



A libre open source Linux operating system. Focused on ease of use, simplicy, and flexibility to adapt and change.

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

Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and anti-virus scanner, and BitTorrent station.



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.



































