P-Moontool is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
Don't use any part of P-Moontool in a commercial program. It's protected by the GPL.
P-Moontool is developed with the gcc tool chain, and pilrc. P-Moontool requires prc-tools and PilRC (3.0).