Privoxy is free software; you can redistribute and/or modify its source code 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. The same is true for Privoxy binaries unless they are linked with mbed TLS in which case you can redistribute them and/or modify them under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the license, or (at your option) any later version. Privoxy is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the license for details.