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.

Madrid_Linux, or MAX for short, is an GNU/Linux distribution created by the Council of Education of Madrid, Spain. It is a live operating system based on Ubuntu. Besides the ability to boot the operating system on any computer, the distribution includes a graphical installer with an option to resize FAT or NTFS partition and create space for installing MAX on a hard disk.

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

Dr.Parted Live is a bootable GNU/Linux distribution based on Debian's "Testing" branch. It is a live image featuring a lightweight Openbox window manager and useful applications for disc partitioning as well as data backup, restore and recovery.

Kiro is an Arch Linux-based distribution with the goal of being an intuitive and customisable ISO image builder. It provides a simple way to build a custom Arch-based installation medium with a choice of packages, settings and scripts. Kiro uses the Xfce desktops, includes the Calamares system installer, and has a modular structure.

DynFi is a firewall platform based on FreeBSD. The project provides utilities for VPN, IDS, proxy, anti-virus, and packet filtering. Support is provided in several languages, including French, English, and German. DynFi is designed to be deployed on both physical hardware and in virtual environments.

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.

Armbian is a Linux distribution designed for ARM development boards. It is usually based on one of the stable or development versions of Debian or Ubuntu and it supports a wide variety of popular ARM-based devices, including Banana Pi, Cubieboard, Olimex, Orange Pi, Odroid, Pine64 and others. Armbian includes a menu-driven configuration tool along with stock Debian utilities, the Bash shell, and a choice of Cinnamon or Xfce desktop.

NixOS is an independently developed GNU/Linux distribution that aims to improve the state of the art in system configuration management. In NixOS, the entire operating system, including the kernel, applications, system packages and configuration files, are built by the Nix package manager. Nix stores all packages in isolation from each other; as a result there are no /bin, /sbin, /lib or /usr directories and all packages are kept in /nix/store instead. Other innovative features of NixOS include reliable upgrades, rollbacks, reproducible system configurations, source-based model with binaries, and multi-user package management. Although NixOS started as a research project, it is now a functional and usable operating system that includes hardware detection, KDE as the default desktop, and systemd for managing system services.

NebiOS is an Ubuntu-based desktop Linux distribution with a custom Wayland compositor called NebiDE (based on Wayfire). It features various user interface enhancements, an initial setup module called OOBE, the NebiOS App Runtime (napp-runtime) portable application format with bubblewrap containerization, improved gaming performance with Steam Proton integration, a kernel switcher for easy multi-kernel installation, and the Wine compatibility layer for running some Windows applications. NebiOS is intended as a general-purpose operating system for daily computing tasks, including creative work and gaming.

Pisi Linux is a GNU/Linux distribution based on the old Pardus Linux with its unique PiSi package management system. It's an operating system for desktop computer with software for listening to music, browsing the Internet and creating documents. Pisi Linux is built from scratch on a stable base, but many core user applications, such as the Firefox web browser or the VLC media player, are kept constantly up to date. To increase the distribution's user friendliness, Flash player and many multimedia codecs are installed and pre-configured for immediate use.

Vitalinux is a Linux distribution developed by the government of the Spanish autonomous community of Aragon and designed for educational centres. It is based on Xubuntu and uses the Xfce desktop environment. The distribution includes a custom-built client called Migasfree, an open-source software management utility used for installing and updating local software from a remote Migasfree server. Vitalinux is designed to be relatively lightweight and is optimised for ease of installation and use.

CachyOS is a Linux distribution based on Arch Linux. It focuses on speed and security optimisations - the default Linux kernel is heavily optimised using the BORE (Burst-Oriented Response Enhancer) scheduler, while the desktop packages are compiled with LTO, x86-64-v3 and x86-64-v4, Zen 4 optimization, security flags and performance improvements. The available desktop environments and window managers include KDE, GNOME, Xfce, i3wm, Wayfire, LXQt, OpenBox, Cinnamon, COSMIC, UKUI, LXDE, MATE, Budgie, Qtile, Hyprland and Sway. CachyOS also ships with both graphical and command-line installers.

Solus is a Linux distribution built from scratch. It uses a forked version of the PiSi package manager, maintained as "eopkg" within Solus, and its flagship edition uses the Budgie desktop environment. Budgie was originally developed-in-house, but is now maintained as a separate project by the Buddies of Budgie team. Solus is available in GNOME, KDE Plasma and Xfce editions.

4MLinux is a miniature Linux distribution focusing on four capabilities: maintenance (as a system rescue live CD), multimedia (for playing video DVDs and other multimedia files), miniserver (using the inetd daemon), and mystery (providing several small Linux games). The distribution includes support for booting on UEFI-enabled machines.

MiniOS is a Debian-based Linux distribution which strives to be lightweight, modular, versatile and customisable. It comes in three editions, "Standard", "Toolbox" and "Ultra". MiniOS "Standard" is a compact system designed for everyday computing tasks, while "Toolbox" is designed for maintenance, diagnostics and recovery of computer systems; it provides a rich set of graphical and console tools for working with disks and partitions, network diagnostics and administration, data security, data and password recovery, hardware fault diagnosis and testing, as well as other utilities. Finally, the "Ultra" variant of MiniOS provides an extensive set of software tools designed both for maintenance and diagnostics of computer systems and for solving a wide range of general office tasks.

VailuxOS is a German, desktop-oriented Linux distribution based on Ubuntu's long-term support (LTS) branch. The project's primary goal is to make the transition from Windows to Linux as seamless as possible by maintaining familiar ways of working and workflows. The distribution uses the KDE Plasma desktop.

AnduinOS is an Ubuntu-based distribution which provides a GNOME desktop which has been themed and styled to resemble Windows 11. The project provides a smaller ISO file than its parent with each supported language split into a separate ISO. Snap support, which is included in Ubuntu, has been removed from AnduinOS.

EndeavourOS is a rolling-release Linux distribution based on Arch Linux. The project aims to be a spiritual successor to Antergos, providing an easy setup and a pre-configured desktop environment on an Arch base. EndeavourOS offers both off-line and on-line install options. The off-line installer, Calamares, uses the KDE Plasma desktop by default. The on-line installer can install optional software components, including most popular desktop environments.

BlueOnyx is a server distribution based on AlmaLinux OS. 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.

AV Linux is a versatile, Debian-based distribution featuring a large collection of audio and video production software. Additionally, it also includes a custom kernel with IRQ threading enabled for low-latency audio performance. AV Linux can be run directly from a live DVD or a live USB storage device, though it can also be installed on a hard disk and used as a general-purpose operating system for everyday tasks.

Parch GNU/Linux is an Arch-based, rolling-release Linux distribution for standard desktops as well as some ARM-based devices. Its goal is to provide a streamlined and user-friendly experience while maintaining the customisability and performance of Arch Linux. The distribution offers a choice of GNOME, KDE Plasma and Xfce desktops, the Calamares graphical installer, optimised Persian fonts for enhanced readability and aesthetics, and extensive documentation and community support.

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.

Whonix is an operating system focused on anonymity, privacy and security. It is based on the Tor anonymity network, Debian GNU/Linux and security by isolation. Whonix consists of two parts: One solely runs Tor and acts as a gateway, which is called Whonix-Gateway. The other, which is called Whonix-Workstation, is on a completely isolated network. Only connections through Tor are possible. With Whonix, you can use applications and run servers anonymously over the Internet. DNS leaks are impossible, and even malware with root privileges cannot find out the user's real IP.