KaOS is a desktop Linux distribution that features the latest version of the KDE desktop environment, the Calligra office suite, and other popular software applications that use the Qt toolkit. It was inspired by Arch Linux, but the developers build their own packages which are available from in-house repositories. KaOS employs a rolling-release development model and is built exclusively for 64-bit computer systems.

OPNsense is a FreeBSD-based specialist operating system (and a fork of pfSense) designed for firewalls and routers. It is developed by Deciso B.V. in the Netherlands. Some of the features of OPNsense include forward caching proxy, traffic shaping, intrusion detection, two-factor authentication and easy OpenVPN client setup. The project's focus on security brings a number of unique features, such as the option to use LibreSSL instead of OpenSSL (selectable in the GUI). OPNsense also includes an update mechanism that delivers important security updates in a timely fashion.

Br OS is a Brazilian Linux distribution based on Ubuntu and featuring the KDE Plasma desktop. It is designed as an intuitive, easy-to-use, general-purpose operating system for web navigation and content creation, providing a selection of useful applications for daily use.

Liya is an Arch Linux-based, rolling release distribution. The project uses the Calamares system installer to set up the distribution which offers users the Cinnamon desktop environment, Pamac graphical package manager, and OnlyOffice. The system is intended to be easy to use, easy to explore, and distraction-free.

IPFire is a Linux distribution that focuses on easy setup, good handling and high level of security. It is operated via an intuitive web-based interface which offers many configuration options for beginning and experienced system administrators. IPFire is maintained by developers who are concerned about security and who update the product regularly to keep it secure. IPFire ships with a custom package manager called Pakfire and the system can be expanded with various add-ons.

TROMjaro is a Manjaro-based Linux distribution with a customised Xfce desktop. Compared to its parent, TROMjaro offers several user-friendly utilities, such as Layout Switcher with six different layouts or Theme Switcher with several accent colours. It also provides various enhancements, including the integration of the Chaotic-AUR repository with pre-built binary packages, a selection of custom wallpapers and icon packs, and extra configuration options in Settings Manager. The distribution comes with support for AppImage files and a heavily-tweaked Firefox browser with custom add-ons.

RED OS is an independently-developed Russian Linux distribution for workstations and servers. It uses the RPM and DNG tools for package management. The workstation edition provides a choice of three desktops, KDE Plasma, GNOME and MATE, while the server variant includes a custom server administration utility called RED ADM. The distribution is developed by Russia's RED SOFT, a company that also provides technical support and Linux training, as well as various administration, virtualisation and database software products.

Voyager Live is an Xubuntu-based distribution and live DVD showcasing the Xfce desktop environment. Its features include the Avant Window Navigator or AWN (a dock-like navigation bar), Conky (a program which displays useful information on the desktop), and over 300 photographs and animations that can be used as desktop backgrounds. The project also develops several other editions of Voyager Live - a "GE" edition with GNOME Shell, a "GS" variant for Gamers, and a separately-maintained flavour based on Debian's "stable" branch.

Slint is a Slackware Linux-based distribution for 64-bit (x86_64) machines. The distribution is intended to be used by people who are visually impaired. The distribution ships with a screen reader built-in which can even be used during the installation process.

StormOS is a desktop-oriented Linux distribution based on Arch Linux. The project's goal is to build an operating system which is easy-to-install, beginner-friendly and usable out of the box in order to attract new users over to the world of Arch Linux.

Slackel is a Linux distribution and live CD based on Slackware Linux and Salix. It is fully compatible with both. It uses the current version of Slackware and the latest version of the KDE desktop. The Slackel disc images are offered in two different forms - installation and live.

BlueOnyx is a server distribution based on AlmaLinux OS, Rocky Linux and CentOS. It is the mission of BlueOnyx to provide a fully-integrated Internet hosting platform that includes web, e-mail, DNS and file transfer services from a simple, user-friendly web-based interface that is easily installed on commodity hardware or virtual private server.

PCLinuxOS is a user-friendly Linux distribution with out-of-the-box support for many popular graphics and sound cards, as well as other peripheral devices. The bootable live DVD provides an easy-to-use graphical installer and the distribution sports a wide range of popular applications for the typical desktop user, including browser plugins and full multimedia playback. The intuitive system configuration tools include Synaptic for package management, Addlocale to add support to many languages and Mylivecd to create a customised live CD.

Soplos Linux is a desktop-oriented Linux distribution based on Debian's "Testing" branch and featuring the Xfce desktop. It offers rolling updates, up-to-date software, a relatively lightweight and customisable desktop, compatibility with older hardware, and various speed and performance optimisation features. The distribution ships with a number of custom applications, such as Soplos Theme Manager, Soplos Plymouth Manager, Soplos Docklike (for adding and removing applications in the dock) and Soplos GRUB Editor.

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.

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.

GXDE OS is a desktop-oriented Linux distribution that combines Debian with Deepin Desktop Environment (DDE), developed by the deepin project. It is based on Debian's "Testing" branch. It ships with up-to-date Linux kernel, base system and applications, and it includes a "Spark Store", a software application marketplace with support for Android applications. The distribution is available for the aarch64 and x86_64 processor architectures.

Linuxfx is a Brazilian Linux distribution based on Ubuntu. It ships with an intuitive Cinnamon desktop user interface designed to facilitate migration of users from Windows. It includes a video management system called Sentinela, a computer vision software with video analytics and software for access control (facial recognition and automatic number plate recognition), object detection, gender, age and mood detection. Other features of the distribution include a new personal assistant, a WX theme for desktop and system applications, and compatibility with software written for Windows (.exe and .msi) through a Wine port. Following the release of Linuxfx 10.6 the distribution became a commercial offering.

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.

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.

Mabox is a Manjaro-based rolling release distribution. Mabox Linux features the Openbox window manager as its default interface and provides a welcome screen with access to utilities which add additional software to the operating system.

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.

Rescuezilla is a specialist Ubuntu-based distribution designed for system rescue tasks, including backups and system restoration. It was forked from the "Redo Backup & Rescue" project which was abandoned in 2012. Like its predecessor, it allows a "bare-metal restore" after any hardware failure directly from the live image. Some of the features include: works directly from the live CD/USB image; works with Linux, macOS and Windows; automatically searches a local area network for drives to backup to or restore from; recovers lost or deleted data files; includes configuration tools for managing disk and drives. Rescuezilla uses a simplified LXDE user interface.