Ubuntu Server is described as 'The leading platform for scale-out computing, Ubuntu Server helps you make the most of your infrastructure. Whether you want to deploy an OpenStack cloud, a Hadoop cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available' and is a operating system in the os & utilities category. There are more than 100 alternatives to Ubuntu Server for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best Ubuntu Server alternative is Debian, which is both free and Open Source. Other great apps like Ubuntu Server are Fedora, Tails, Zorin OS and Manjaro Linux.
Spaced Linux is a polished desktop distribution built on Devuan Ceres, using sysvinit, MATE, and Compiz. It welcomes first-time Linux users without hiding the system from experienced users who want to inspect, customize, automate, and rebuild it.
United States
Mythbuntu is a community supported add-on for Ubuntu focused upon setting up a standalone MythTV based PVR system. It can be used to prepare a standalone system or for integration with an existing MythTV network.
Lightwhale is a purpose-built operating system designed to run Docker containers effortlessly. It live-boots from an ISO straight into a fully functional Docker Engine, eliminating the need for installation or configuration.
Denmark
EU
Astral is a 64 bit operating system with its own kernel written in C for the x86-64 architecture.
Brazil
Ukraine
A robust Linux distribution based on Debian 13 and Cinnamon, optimized out-of-the-box for CAD, 3D design, and engineering workflows.
RetroBSD is a port of 2.11BSD Unix intended for embedded systems with fixed memory mapping. The current target is Microchip PIC32 microcontroller with 128 kbytes of RAM and 512 kbytes of Flash.
RebeccaBlackOS is a Debian-based live distribution which can be used to run Wayland desktop sessions. RebeccaBlackOS can run a number of popular open source desktop environments on top of a Wayland graphical session.
Germany
