Pearl OS is described as 'Pearl Linux OS has been available for free download since 12/2014 with our first release simply titled Pearl Linux. It was based on the 14.04 released version of Ubuntu. That release was using the XFCE desktop environment' and is a Linux Distro in the os & utilities category. There are more than 100 alternatives to Pearl OS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best Pearl OS alternative is Linux Mint, which is both free and Open Source. Other great apps like Pearl OS are Ubuntu, Debian, Fedora and Arch Linux.