Budgie (desktop environment)
Budgie is an independent, free and open-source desktop environment for Linux and other Unix-like operating systems that targets the desktop metaphor. Budgie is developed by the Buddies of Budgie organization, which is composed of a team of contributors from Linux distributions such as Fedora, Debian, and Arch Linux.
Source: Wikipedia — Budgie (desktop environment) (CC BY-SA 4.0)