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.



OpenBSD is described as 'The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography' and is a popular operating system in the security & privacy category. There are more than 100 alternatives to OpenBSD for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best OpenBSD alternative is Linux Mint, which is both free and Open Source. Other great apps like OpenBSD are Ubuntu, Debian, Fedora and Arch Linux.
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.



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




ArozOS is the most popular Web-based alternative to OpenBSD.
Nanos is a new kernel designed to run one and only one application in a virtualized environment. It has several constraints on it compared to a general purpose operating system such as Windows or Linux - namely it's a single process system with no support for running...

Ubuntu Christian Edition (UbuntuCE) is a free, open source operating system geared towards Christians. Ubuntu is a complete Linux-based operating system, freely available with both community and professional support.

ROSA Linux is a Linux operating system and distribution, developed by Russian company LLC NTC IT ROSA. It is available in three different editions: ROSA Desktop Fresh (GNOME and KDE), ROSA Enterprise Desktop, and ROSA Enterprise Linux Server.


Helal Linux is an Islamic Arabic Linux distribution based on Ubuntu. Helal Linux features most important packages which means to Muslim user built-in, in addition to software developed by Helal Team, and a lot to discover.




Hanthana is a Linux based operating system and a Fedora remix suitable for desktop and laptop users. Hanthana comes to you in the form of a Live CD for regular PC (i686 architecture) systems.



Live bootable linux CD supported by US department of defense, featuring firefox, thunderbird, word processor, and reads USB flash drives.

ParticleOS is a fully customizable immutable distribution implementing the concepts described in Fitting Everything Together.
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.



