There are too many to list! This thing is currently very unstable, to put it mildly.
perl 5.8.3 or higher (5.8.6 or higher recommended)
HTML::DOM 0.008 or later
Copyright (C) 2010-11, Father Chrysostomos (org.cpan@sprout backwards)
This program is free software; you may redistribute it, modify it or both under the same terms as perl.