[*virt-manager*](http://virt-manager.org/) is a Free Software virtualization solution for Linux. *virt-manager* has a more complex interface than *GNOME Boxes* but it also has a more complete set of features.
<p><i>virt-manager</i> is the only virtualization solution that allows to use a Persistent Storage. See [[running Tails from a USB image|virt-manager#usb_image]].</p>