Ubuntu Cloud is described as 'Open source Linux operating system designed to be used as a personal cloud server. It is based on the well known Ubuntu Linux distribution and recognized as an official Ubuntu flavor, distributed by Canonical' and is an app. There are more than 100 alternatives to Ubuntu Cloud for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best Ubuntu Cloud alternative is Linux Mint, which is both free and Open Source. Other great apps like Ubuntu Cloud are Debian, Fedora, openSUSE and Manjaro Linux.