NixOS

vs

Ubuntu MATE

Elementary OS is a neat and coherent, free and open source operating system based on the Linux distribution Ubuntu. The simplicity of Elementary OS makes it a perfect choice for people switching from other popular operating systems such as macOS or Windows. Elementary OS is a feature complete operating system that comes with its own desktop environment called Pantheon and custom built, pre-installed utility applications such as Photos, Music, Videos, Calendar, Terminal, Files, and more.

Kubuntu is a Linux distribution that provides all you need to have fun and be effective your computer. It's a great free and open-source alternative to Windows or macOS. Kubuntu unites Ubuntu with KDE and the Plasma desktop environment, bringing you a full set of applications. The installation includes productivity, office, email, graphics, photography, and music applications ready to use at startup.

A Linux distribution that is designed from the ground-up to be a replacement for Windows or macOS. With Zorin OS you can get to know Linux quickly with a desktop environment similar to your previous experience with the commercial operating systems. Zorin OS let's you choose a desktop layout that mimic your previous OS, be it Windows or macOS. The operating system is built on-top of Ubuntu and runs on the same open-source software that powers the U.S. Department of Defense, NASA, and more.

Ubuntu Budgie is an official community flavor of the Linux distribution Ubuntu featuring the Budgie desktop. It combines the stable and thoroughly-tested Ubuntu core with a modern, lightweight and traditional-looking desktop developed by the Solus project. The desktop is adaptable to any device, keeping them fast and usable. 

A light-weight Linux distribution intended for both new and experienced Linux users. Xubuntu comes with the Xfce desktop environment by default which use fewer system resources than the default Ubuntu GNOME desktop. Xubuntu was officially released on 1 June 2006 and has seen active development since. It is openly maintained by the community and released free of charge under the GNU General Public License.

Lubuntu is a free and light-weight Linux desktop distribution developed by the Lubuntu Community. The distribution combines the stability of Ubuntu with the faster LXQt desktop to provide a snappy operating system for low-spec computers. Lubuntu has been in active development since 2011 where it was first introduced with the LXDE desktop environment.