VyOS is a community fork of Vyatta, a Linux distribution discontinued in 2013. It is a network operating system that provides software-based network routing, firewall and VPN functionality. VyOS is based on Debian; its features include the ability to run on both physical and virtual platforms, and support for para-virtual drivers and integration packages for virtual platforms. VyOS was completely free to download and use until the release of version 1.2.0 in January 2019 when the project turned commercial, providing the operating system with various levels of support subscriptions. Daily "rolling" images are still available for free download though.

Gentoo Linux is a versatile and fast, completely free Linux distribution geared towards developers and network professionals. Unlike other distros, Gentoo Linux has an advanced package management system called Portage. Portage is a true ports system in the tradition of BSD ports, but is Python-based and sports a number of advanced features including dependencies, fine-grained package management, "fake" (OpenBSD-style) installs, safe unmerging, system profiles, virtual packages, config file management, and more.

FreeBSD is a UNIX-like operating system for the i386, amd64, IA-64, arm, MIPS, powerpc, ppc64, PC-98 and UltraSPARC platforms based on U.C. Berkeley's "4.4BSD-Lite" release, with some "4.4BSD-Lite2" enhancements. It is also based indirectly on William Jolitz's port of U.C. Berkeley's "Net/2" to the i386, known as "386BSD", though very little of the 386BSD code remains. FreeBSD is used by companies, Internet Service Providers, researchers, computer professionals, students and home users all over the world in their work, education and recreation. FreeBSD comes with over 20,000 packages (pre-compiled software that is bundled for easy installation), covering a wide range of areas: from server software, databases and web servers, to desktop software, games, web browsers and business software - all free and easy to install.

DietPi is a Debian-based Linux distribution, primarily developed for single-board computers such as Raspberry Pi, Orange Pi or Odroid. It also supplies builds for 64-bit x86 personal computers and virtual machines, including VMware, VirtualBox, UTM, Hyper-V, Proxmox and Parallels. The base installation of DietPi comes without any desktop, but a desktop option can be activated via the built-in "dietpi-software" program. The distribution ships with a number of menu-driven configuration tools which can be run from the terminal.

Synex is a GNU/Linux distribution based on Debian's "Stable" branch, developed with the official Debian Live Build tool. It offers four separate desktop options with GNOME, LXDE, KDE Plasma and Xfce, all of which are composed of a rather frugal set of applications in its default state, without any development tools or offices suites. Some of the distribution's main features include Calamares installer with support for both BIOS and UEFI, CUPS integration for printing and network support, out-of-the box support for Flatpak applications, official NVIDIA driver installation assistant with support for both X11 and Wayland, and additional repositories containing Microsoft Edge, OnlyOffice and Zabbix.

Obarun is an Arch-based Linux distribution featuring the S6 init software in place of systemd. It provides a live disc featuring the JWM graphical interface. Utilities, such as pacopts, are included for working with Arch's repositories, including the Arch User Repository (AUR).

Q4OS is a Debian-based desktop Linux distribution offering a choice of a classic-style user interface (Trinity) and a modern desktop environment (KDE Plasma). The project also develops various utilities, such as Desktop Profiler and Software Center, as well as installers for third party applications. In late 2024, Q4OS started offering FreeXP and Free10, two Q4OS variants with Windows-like themes to help users migrate from unsupported Windows versions to Linux.

Refracta is a Linux distribution based on Devuan GNU+Linux (a systemd-free fork of Debian), designed primarily for home computer users and also for use as a system rescue and recovery disk. It provides a simple and familiar layout using the Xfce desktop. Other desktop environments and additional software packages are available from the Devuan package repository. Besides providing a Linux distribution on a live CD, the project also develops useful tools, such as refractainstaller, refractasnapshot and refracta2usb which allow users to customize the installation and create custom live CD or live USB images.

LainOS is a lightweight, Arch Linux-based desktop distribution aimed at developers, tinkerers and hackers. As a choice of graphical environments, it offers the Hyprland Wayland compositor and the Openbox window manager. The distribution also features the Calamares system installer, personalised yet functional visual aesthetics, and a selection of useful software. LainOS is intended for users who share the admiration of Serial Experiments Lain, a Japanese anime television series.

Debian Edu/Skolelinux is the Debian-edu's Debian Pure Blend distribution. It is aiming to provide an out-of-the-box localised environment tailored for schools and universities. The out-of-the-box environment comes with 75 applications aimed at schools, as well as 17 network services pre-configured for a school environment. The simple, three-question installation requires minimal technical knowledge. Skolelinux is Debian, which means, among other things, that there are no license costs or worries, and that upgrade and maintenance of the software can be done over the Internet with the power of Debian's apt-get. The core goals of Skolelinux are localisation and ease of system administration.

The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system is called Debian. Debian systems currently use the Linux kernel. Linux is a completely free piece of software started by Linus Torvalds and supported by thousands of programmers worldwide. Of course, the thing that people want is application software: programs to help them get what they want to do done, from editing documents to running a business to playing games to writing more software. Debian comes with over 50,000 packages (precompiled software that is bundled up in a nice format for easy installation on your machine) - all of it free. It's a bit like a tower. At the base is the kernel. On top of that are all the basic tools. Next is all the software that you run on the computer. At the top of the tower is Debian -- carefully organizing and fitting everything so it all works together.

Exton Linux is a set of over 15 Linux distributions based on Arch Linux, CRUX, Debian, deepin, Fedora, openSUSE, Puppy Linux and Slackware Linux. They are designed to be lightweight, fast and easy to use. Exton Linux comes with popular pre-configured desktop environments and a set of pre-installed software packages, including web browsers, office suites, multimedia players and development tools. It also includes various customization options, such as the ability to change the appearance of the desktop and install additional software packages. Exton Linux is available in several editions, each tailored to a specific use case, such as general-purpose computing, gaming, multimedia or servers.

AOSC OS an independently maintained Linux distribution based on the Linux kernel and various software components, using a custom package manager called oma which works with Deb packages for package management. AOSC OS is targeted at experienced Linux users and optimised for use on personal devices. It aims to provide a solid out-of-the-box experience, simplified system administration and a reliable work environment.

Ufficio Zero Linux OS is an Italian project developing a variety of general-purpose and educational Linux distributions based on Devuan, Linux Mint and PCLinuxOS. They are aimed at professionals, freelancers, private and public entities, and schools.

Talos is a specialist Linux-based operating system for running Kubernetes, an open-source system for automating deployment, scaling and management of containerised applications. Minimal, immutable and hardened, it does not offer any shell or interactive console; instead, all system management is done via remote Application Programming Interface (API) calls, where messages sent from a client application are protected with mutual Transport Layer Security TLS (mTLS) authentication. Talos also delivers atomic updates, thus maintaining the Linux and Kubernetes versions up-to-date. Talos is developed in the USA by Sidero Labs, Inc.

LliureX is a project of the Council of Culture, Education and Sport at the Municipality of Valencia, Spain. The LliureX distribution is an Edubuntu-based live and installation DVD with support for the Valencian and Spanish languages. It is intended as an operating system for educational institutions in the Valencia region. LliureX uses exclusively free software and is distributed free of charge.

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.

XIVA Studio is a multimedia-oriented Linux distribution derived from Manjaro Linux and BigLinux. It's main goal is to cater to the needs of professional creators in the area of video, audio, graphics and animation production. XIVA Studio provides optimised Linux kernels built for a number of popular processor and graphics cards configurations. It uses KDE Plasma as the default desktop environment.

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.

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.

The Amnesic Incognito Live System (Tails) is a Debian-based live DVD/USB with the goal of providing complete Internet anonymity for the user. The product ships with several Internet applications, including web browser, IRC client, mail client and instant messenger, all pre-configured with security in mind and with all traffic anonymised. To achieve this, Incognito uses the Tor network to make Internet traffic very hard to trace.

Flatcar Container Linux is a container-optimized operating system based on Gentoo Linux. It is a minimal operating system image which includes only the tools needed to run containers and it supports all of the popular methods for running containers. The distribution ships an immutable filesystem and includes automatic atomic updates. Flatcar Container Linux runs on most cloud providers, virtualization platforms and bare metal servers.

Nitrux is a desktop Linux distribution built from Debian, but with an immutable base system, the OpenRC init system, and without any traditional Debian package management tools. It uses the Calamares system installer and includes the Hyprland window manager, Hypr utilities, the greetd+QtGreet login manager, and the Waybar Wayland bar. Nitrux emphasizes the use of AppBox to manage end-user software and it also supports AppImage and Flatpak package formats.

Blade OS is a desktop-oriented Linux distribution based on Debian's "Stable" branch. It uses the GNOME desktop. The distribution's main features include a pre-configured desktop with useful applications pre-installed, the Calamares system installer, out-of-the-box support for Flatpak packages, and beginner-friendly documentation on the project's website.