Linux Mint
Linux Mint is a community-driven Linux distribution based on Ubuntu, bundled with a variety of free and open-source applications. It can provide full out-of-the-box multimedia support for those who choose to include proprietary software such as multimedia codecs.

CentOS
Community-driven free software effort focused around the goal of providing a rich base platform for open source communities to build upon.

Distro Watch
Put the fun back into computing. Use Linux, BSD. Your best source for *.ISO’s to virtualize.