How to install Budgie Desktop in Ubuntu
Budgie desktop is an elegant-looking desktop environment developed by the Solus project. This GNOME-based desktop is simple, fast, and easy to use. Also, it is one of the few desktop environments designed explicitly for the Solus OS. Budgies' philosophy is to offer an easy-to-use desktop environment that is visually appealing and user-friendly.
Source: FOSS Linux