VirtualBox also lets you serve up platform images remotely, and you'll find various prebuilt images to load up and test or use. VirtualBox will run on UNIX, Linux, Windows, Mac, and Solaris.
Jack Wallen is an award-winning writer for TechRepublic and Linux.com. He’s an avid promoter of open source and the voice of The Android Expert. For more news about Jack Wallen, visit his website getjackd.net.