Tails

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.

Puppy Linux is a collection of multiple Linux distributions, built on the same shared principles, built using the same set of tools, built on top of a unique set of puppy specific applications and configurations and generally speaking provide consistent behaviours and features, no matter which flavours you choose.

Kali Linux is a Debian-based Linux distribution aimed at advanced penetration testing and security auditing of computer systems and networks. Kali Linux contains several hundred pre-installed tools which are geared towards various information security tasks, such as computer forensics, penetration testing, reverse engineering and security research.

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.