Wait, I am afraid that may not be an ideal choice.We already have a Libreboot project for free (libre) BIOS/UEFI replacement. This may confuse less experianced users.
How about [1] GNUnetbootin ? [2] GNUbootin ?This will remove the confusion with the live project as well as spread the message that it suggests exclusively free GNU/Linux distributions.
Sidenote:Inspired by Philosophy of the GNU Project and GNU IceCat