License
Audacity is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This license gives you the permission to modify, copy, distribute, and sell Audacity, as long as the code you distribute is available under the GPL. If you have questions, please contact us.
See also: Frequently Asked Questions about the GNU GPL.


