Mezzo desktop is very obscure, it comes pre-installed on only one Linux Distro – Symphony OS. The desktop environment and OS being worked on by only one developer. Mezzo uses a webserver with Ruby and HTML5 to render the desktop. I review two versions of Mezzo – 17 Alpha, and 15 Beta. Website: https://github.com/SymphonyOS/symphonyos Symphony OS: http://symphonyos.com/ Mezzo Whitepaper: ftp://ftp.netlabs.org/pub/voyager/docs/MezzoGreypaper.pdf Wallpaper: http://quidsup.net/?i=Christmas-Balls-Illustration- Please donate and help support my work: Patreon: https://www.patreon.com/quidsup Paypal: https://www.paypal.me/quidsup Google+ https://google.com/+quidsup Twitter: https://twitter.com/quidsup