Xubuntu is an elegant and easy-to-use operating system.

Kubuntu is an official flavour of the Ubuntu operating system which uses the KDE Plasma Desktop instead of the Unity graphical environment.

Bodhi Linux is a lightweight Linux distribution based on Ubuntu that uses the Moksha window manager.

Ubuntu Touch (Ubuntu Phone) is a mobile version of the Ubuntu operating system.

BackBox Linux is a penetration testing and security assessment oriented Linux distribution providing a network and systems analysis toolkit.

Lubuntu is a fast and lightweight operating system. The core of the system is based on Linux and Ubuntu.

Ubuntu MATE is a free and open-source Linux distribution and an official derivative of Ubuntu.

Zorin OS is a powerful operating system designed to make your computer faster, more secure and easier to use.

Ubuntu GNOME (Ubuntu GNOME Remix) is a Linux distribution, distributed as free and open-source software.