Kubuntu is an official flavour of the Ubuntu operating system which uses the KDE Plasma Desktop instead of the Unity graphical environment. Developed by Canonical Ltd
License: Open Source
FreeBSD is a powerful, Unix-like operating system known for its advanced networking and performance features, making it ideal for servers and advanced users. In contrast, Kubuntu offers an intuitive user experience and a rich software repository suitable for desktop users and those seeking an easy-to-use Linux distribution.