This directory contains virt-p2v ISOs and pxeboot images.

Virt-p2v is a self-contained, bootable operating system, based on
Fedora or Red Hat Enterprise Linux.

Each ISO can virtualize any supported physical machine, including
Windows.  If in doubt about which version to download, choose the most
recent version.

For more information on virt-p2v see:
http://libguestfs.org/virt-p2v.1.html

The source is stored in git branches here:
https://github.com/libguestfs/libguestfs
(eg. the source for the RHEL 7.3 virt-p2v is in the rhel-7.3 branch
of that repository)