Presently, VirtualBox runs on Windows, Linux and Macintosh hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), and OpenBSD.
VMware Converter can be run on a wide variety of hardware and supports most commonly used versions of the Microsoft Windows operating systems. With this robust, enterprise class migration tool you can