Q4OS is a Debian-based desktop Linux distribution designed to offer classic-style user interface (Trinity) and simple accessories, and to serve stable APIs for complex third-party applications, such as Google Chrome, VirtualBox and development tools. The system is also very useful for virtual cloud environments due to its very low hardware requirements.

iDeal OS is a computer operating system, a custom respin of the powerful MX Linux distribution, with the best privacy and security settings enabled by default. The main goals of iDeal OS are privacy and security, offering to surf, shop, trade and bank online with complete peace of mind, without annoying advertisements, tracking, logging, bugs, viruses or unwanted disclosure of personal information. iDeal OS is available in two different editions: "Emerald", which offers applications for everyday computing needs, and "Diamond", with is a powerful digital workstation with a wide range of professional tools.

SmartOS is an open-source UNIX-like operating system based on illumos, a community fork of OpenSolaris. It features four technologies - ZFS (a combined file system and logical volume manager), DTrace (a dynamic tracing framework for troubleshooting kernel and application problems), Zones (a lightweight virtualisation solution), KVM and bhyve (two full virtualisation solutions for running a variety of guest operating systems, including Linux, Windows, BSD and Plan9). SmartOS is designed to be particularly suitable for building clouds and generating appliances.

Calculate Linux is a Gentoo-based family of three distinguished distributions. Calculate Directory Server (CDS) is a solution that supports Windows and Linux clients via LDAP + SAMBA, providing proxy, mail and Jabbers servers with streamlined user management. Calculate Linux Desktop (CLD) is a workstation and client distribution (with a choice of Cinnamon, KDE Plasma, LXQt, MATE or Xfce desktops) that includes a wizard to configure a connection to Calculate Directory Server. Calculate Linux Scratch (CLS) is a live CD with a build framework for creating a custom distribution.

MODICIA O.S. is a Linux multimedia distribution designed primarily for musicians, graphic designers and video makers. It is based on Debian's "stable" branch, but uses the Cinnamon desktop and a recent Linux kernel. MODICIA O.S. comes with a set of carefully-selected, open-source multimedia software and tools, such as Audacity (audio editor), Brasero (disc-burning utility), Cheese (webcam application), Curlew (multimedia converter), GIMP (graphics editor), HandBrake (video transcoder), Kdenlive (video editor), MediaInfo (tool that provides technical data about media files), mpv (media player), Peek (animated GIF recorder), RawTherapee (photo processor), XnView (image viewer), and many others. The distribution also integrates the OnlyOffice software suite for general office tasks.

ExTiX is a desktop Linux distribution and live DVD based on Ubuntu, offering a choice of alternative desktop environments.

CentOS as a group is a community of open source contributors and users which started in 2003 and has been sponsored by Red Hat since 2014. CentOS Linux versions up to CentOS Linux 8 are 100% compatible rebuilds of Red Hat Enterprise Linux, in full compliance with Red Hat's redistribution requirements. In 2020 it was announced CentOS Linux is being discontinued and replaced with CentOS Stream, a developer-focused distribution which acts as a middle-stream between Fedora and Red Hat Enterprise Linux.

Proxmox is a commercial company offering specialised products based on Debian GNU/Linux, notably Proxmox Virtual Environment and Proxmox Mail Gateway. Proxmox Virtual Environment is an open-source virtualisation platform for running virtual appliances and virtual machines. Proxmox Mail Gateway is a mail gateway with anti-spam and anti-virus features. The products are offered as free downloads with paid-for support and subscription options.

The openSUSE project is a community program sponsored by SUSE Linux and other companies. Promoting the use of Linux everywhere, this program provides free, easy access to openSUSE, a complete Linux distribution. The openSUSE project has three main goals: make openSUSE the easiest Linux for anyone to obtain and the most widely used Linux distribution; leverage open source collaboration to make openSUSE the world's most usable Linux distribution and desktop environment for new and experienced Linux users; dramatically simplify and open the development and packaging processes to make openSUSE the platform of choice for Linux developers and software vendors. NOTE: If you are looking for products please visit the .

Bluestar Linux is a GNU/Linux distribution that is based on Arch Linux. The Bluestar distribution features up to date packages, a full range of desktop and multimedia software in the default installation and a live desktop DVD.

AxOS is an Arch-based Linux distribution for the desktop. It features a custom package manager called Epsilon and it strives to present a modern and elegant look while remaining powerful, lightweight and customisable. The project offers two desktop options - Calla (a custom desktop environment based on the Awesome window manager) and Sleex (a custom desktop environment based on the Hyprland compositor).

EasyOS is an experimental Linux distribution which uses many of the technologies and package formats pioneered by Puppy Linux. The distribution features custom container technology called Easy Containers which can run applications or the entire desktop environment in a container. Packages, desktop settings, networking and sharing resources over the network can all be controlled through graphical utilities.

PikaOS Linux is a Linux distribution based on Debian's cutting-edge "Unstable" branch, optimised for gaming. It is designed to provide out-of-the-box gaming experience, excellent performance with up-to-date drivers and custom-tweaked Linux kernel, and a choice of GNOME or KDE Plasma desktops, with separate editions that use the Hyprland Wayland compositor.

MocaccinoOS is an independently-developed Linux distribution that has its origins in source-based Gentoo Linux and Sabayon Linux. It uses a custom-built package manager called "Luet", which acts as a front-end for container-based software. The distribution's main features are minimalism and small footprint, ease of use, native vanilla Linux kernels, and support for most important cloud technologies. MocaccinoOS is offered in several variants, including live images with GNOME, KDE Plasma, MATE and Xfce desktops, as well as command-line-only "Minimal Desktop" edition.

PorteuX is a Linux distribution based on Slackware Linux, inspired by Slax and Porteus and available to the public for free. Its main goal is to be fast, small, portable (run from a thumb drive), modular and optionally immutable. It is pre-configured for basic usage, including lightweight applications for each one of the seven desktop environments (Cinnamon, GNOME, KDE Plasma, LXDE, LXQt, MATE and Xfce) available. No browser is included, but an app store is provided for downloading any of the most popular browsers, as well as other applications.

Plop Linux is a small distribution that can boot from CD, DVD, USB flash drive (UFD), USB hard disk or from network with PXE. It is designed to rescue data from a damaged system, backup and restore operating systems, automate tasks and more.

DragonOS is a Lubuntu-based desktop distribution which is focused on software defined radio (SDR). The distribution provides a pre-installed suite of the most powerful and accessible open source SDR software. DragonOS has verified support for a range of inexpensive and powerful SDR hardware, including RTL-SDR, HackRF One, LimeSDR, BladeRF, and others.

openmamba GNU/Linux is a distribution for personal computers that can be used on notebooks, desktops, servers and Raspberry Pi computers. It works as an installable live DVD/USB images, offering one of two desktop environments: KDE Plasma or LXQt. The distribution uses RPM packages managed through the DNF package manager. Software can also be fetched and installed from Flatpak repositories.

Ufficio Zero is a Linux distribution based on Xubuntu LTS (long-term support) release. It features a customised Xfce environment together with many powerful productivity suites, such as LibreOffice, LibreCAD, several cloud clients, Firefox and Thunderbird. It is available for both 32-bit and 64-bit computer systems. Ufficio Zero's Team has created a live bare metal restore Solution too for 64-bit machines only. This Duplica edition contains many tools to cloning and restoring hard disk images as well as checking for malware.

Expirion Linux is a Devuan-based desktop distribution which offers LXQt and Xfce desktop editions. The project provides separate releases built from the latest "stable" and "testing" branches of Devuan, with runit and SysV as init system options. Expirion ships with a more recent kernel than Devuan does and it also adds some user-friendly touches, custom themes and wallpapers, as well as productivity applications, such as LibreOffice, Chromium, Firefox, Thunderbird, Audacity, Brasero and VLC.

Nyarch Linux is an Arch-based, rolling-release Linux distribution designed for "weebs", or non-Japanese persons interested in anime, manga, cosplay and other aspects of the Japanese culture. Some of the distribution's custom features include "Catgirl Downloader" which downloads random pictures of cute catgirls, "Nyarch Assistant", a digital companion which helps with a range of computing and real-life tasks, "Material UwU" which serves as a desktop wallpaper and theme chooser, and "Nyarch Customize", a tool to facilitate desktop layout customisations and animations. Besides the standard release, the project also provides a special variant with pre-configured proprietary NVIDIA display drivers; both come with the GNOME desktop.

Dr.Parted Live is a bootable GNU/Linux distribution based on Debian Testing. It is a live CD/USB featuring a lightweight Openbox window manager and useful applications for data backup, restore and recovery.

TrueNAS CORE (previously known as FreeNAS) is a free and Open Source Network-Attached Storage (NAS) operating system that supports file, block and object storage. TrueNAS CORE is FreeBSD based and is a community-supported branch of the TrueNAS project, sponsored by iXsystems. It also has a commercial branch called TrueNAS Enterprise and a free and HyperConverged storage solution called TrueNAS SCALE. The TrueNAS SCALE branch is based on the Debian Linux distribution.

Shebang is a lightweight Artix-based Linux distribution with focus on simplicity, privacy and security. It uses a customised Openbox window manager suitable for both intermediate and advanced power users. Shebang is an attempt at building a modern, full-featured GNU/Linux system without sacrificing usability and performance.