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 a mbed TLS or OpenSSL version that is licensed under the Apache 2.0 license in which case you can redistribute and/or modify the Privoxy binaries 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.