MINIX 3 is described as 'MINIX is a POSIX-compliant Unix-like operating system based on a tiny microkernel running in kernel mode with the rest of the operating system running as a number of isolated, protected, processes in user mode' and is a operating system in the education & reference category. There are more than 100 alternatives to MINIX 3 for a variety of platforms, including Linux, BSD, Self-Hosted, Mac and Windows apps. The best MINIX 3 alternative is Linux Mint, which is both free and Open Source. Other great apps like MINIX 3 are Ubuntu, Debian, Fedora and Arch Linux.
Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.
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.
Canada
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...
Salix is a GNU/Linux distribution based on Slackware that is simple, fast and easy to use, with stability being a primary goal.
BSD-derived desktop OS designed for usability, featuring graphical ports management, GNUstep system configuration, standard tools for daily tasks including email, web browsing, and word processing, supporting multiple licenses like BSD, X.org, and GNUstep.
United States
The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations.
Peropesis is a small-scale, minimalist, command-line-based Linux operating system. It's an incomplete system, but it's constantly being improved. Also, it is a free operating system created from a free software.
instantOS is a Manjaro based distro that works out of the box but is still aimed at power users. Everything is lightning fast and works out of the box.
Zenwalk Linux (formerly Minislack) is a Slackware -based GNU/Linux operating system with a goal of being slim and fast by using only one application per task and with focus on graphical desktop and multimedia usage.
France
EU
DragonFly belongs to the same class of operating systems as other BSD-derived systems and Linux. It is based on the same UNIX ideals and APIs and shares ancestor code with other BSD operating systems. DragonFly provides an opportunity for the BSD base to grow in an entirely...
Live bootable linux CD supported by US department of defense, featuring firefox, thunderbird, word processor, and reads USB flash drives.
This project birth in 2002! blackPanther OS is an independent Linux distribution which is not a fork of anything else. It is designed to be simple, fast, and easy to use... Its motto: just click and use it!.
HungaryEU
