Ubuntu Server brings economic and technical scalability to your datacentre, public or private. 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. Developed by Canonical Ltd
License: Open Source
Kubuntu is a user-friendly desktop-oriented version of Ubuntu that provides a rich graphical interface and multimedia support, making it suitable for personal and office use. In contrast, Ubuntu Server is designed for server environments, focusing on performance, security, and resource efficiency without the overhead of a graphical user interface.