RetroBSD is described as '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' and is a operating system in the os & utilities category. There are more than 100 alternatives to RetroBSD for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best RetroBSD alternative is Linux Mint, which is both free and Open Source. Other great apps like RetroBSD are Debian, Fedora, Arch Linux and Manjaro Linux.
illumos is a free and open-source Unix operating system. It derives from OpenSolaris, which in turn derives from SVR4 UNIX and Berkeley Software Distribution (BSD). illumos comprises a kernel, device drivers, system libraries, and utility software for system administration.
An Ubuntu Distribution that aims to make the switch to Linux easier, simpler and faster not just for Windows users but also Mac and Linux Distro users alike for free. Feren OS aims to be one of the best Distros, if not OSs out there...
A project providing a fully free (as in freedom) derivative of Arch Linux. Inheriting Arch's lightweight and flexibility, Parabola offers software freedom plus all power to the users.
Dragora GNU/Linux is a distribution created from scratch with the intention of providing a stable, multi-platform and multi-purpose operating system. It is built upon 100% free software. It has a very simple packaging system that allows installing, removing, upgrading and...
GoboLinux is a modular Linux distribution: it organizes the programs in your system in a new, logical way.
openmamba GNU/Linux is a ready-to-use operating system for netbooks, notebooks, desktop and server personal computers.
ravynOS is a new open-source desktop operating system that aims to provide a similar experience and compatibility with macOS on x86-64 systems.
Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.
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.
An open-source OS for exploration, creation, and play. Kano OS is based on the Raspbian OS which itself is based on Debian, a Linux based operating system.
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.
MidnightBSD is a new BSD-derived operating system developed with desktop users in mind. It includes all the software you'd expect for your daily tasks — email, web browsing, word processing, gaming, and much more.
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