Xen is Open Source, and is released under terms of the GNU General Public License.
Xen 2.0.6 Demo CD
The Xen demo CD is a live ISO CD running Debian Linux that enables you to try Xen on your system without installing it to the hard disk. It enables you to start other guests running Linux 2.4 and 2.6, NetBSD and FreeBSD. Xvnc is used to enable the graphical console of the domains to be viewed.