Xen is release under the GNU General Public License. Operating systems or other applications written to use Xen's hypercall interface are not derived works of Xen, hence may be licensed differently.
The latest stable release is 3.0.2. Development takes place in the xen-unstable tree. The xen-3.0-testing tree contains the latest stable release plus any critical bug fixes.
Latest Stable Release
XenSource hosts binary packages of the latest releases for a variety of distros. This is the fastest way to get started with Xen.
Source Code
Tarballs of the various source trees are available at the following URLS:
Development Trees
Xen uses mercurial for version control. The various trees are hosted at the following locations:
Once you've installed mercurial, you can clone one of these trees with the following command:
$ hg clone http://xenbits.xensource.com/xen-unstable.hg
Some info about the devel trees: http://lists.xensource.com/archives/html/xen-devel/2006-06/msg00138.html
For more information on how to use mercurial effective, see the mercurial homepage. There's also a useful, if outdated, xen-specific reference here.
Live Demo CD
The Xen demo CD is a live ISO CD running the Ubuntu and CentOS Linux variants that enables you to try Xen on your system without installing it to the hard disk. It enables you to start the base system as Ubuntu or CentOS, then as many guests of either distro as you like. Xvnc is used to enable the graphical console of the guest domains to be viewed.
The live CD ISO image is available for download from the XenSource download page.
Nightly Builds
Binary distributions of the nightly snapshots are also available.
