From version 2.0, the CNC program is distributed under a shareware license, with a 2 weeks trial period. Refer to Gilles Muller web site for details.

Previous versions has been distributed as freeware. For any use or modification you should follow the rules of the "Free Software Foundation". For more information, please refer to the terms and conditions of the GNU General Public License or more gererally the  GNU Project and the Free Software Foundation (FSF) web site.

If you wish to contribute to the program development, please contact Gilles Muller.