Mythbuntu is a community supported add-on for Ubuntu focused upon setting up a standalone MythTV based PVR system. It can be used to prepare a standalone system or for integration with an existing MythTV network.

Xubuntu is described as 'Elegant and easy-to-use operating system. Xubuntu comes with Xfce, which stable, light and configurable desktop environment. It is based on Ubuntu Debian Linux' and is a very popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Xubuntu for a variety of platforms, including Linux, Self-Hosted, Mac, Windows and BSD apps. The best Xubuntu alternative is Linux Mint, which is both free and Open Source. Other great apps like Xubuntu are Ubuntu, Zorin OS, Manjaro Linux and elementary OS.
Mythbuntu is a community supported add-on for Ubuntu focused upon setting up a standalone MythTV based PVR system. It can be used to prepare a standalone system or for integration with an existing MythTV network.

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.
Athena OS is an Arch-derived Linux distribution designed for penetration testing, bug-bounty hunting and InfoSec students. The distribution provides a way to connect directly to some of the e-learning hacking resources, such as Hack The Box, Offensive Security, PWNX and InfoSec...

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.




Lunar Linux is a source based Linux distribution. It is built entirely by compiling source code, using custom optimizations.









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

AmigaOS is the proprietary native operating system of the Amiga and AmigaOne personal computers, introduced with the launch of the first Amiga, the Amiga 1000, in 1985.




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.




BLAG is a single-cd distro with everything desktop users "expect" from a desktop, plus a collection of nice server apps.


