Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks. Privoxy is Free Software and licensed under the GPL2. Privoxy is an associated project of Software in the Public Interest (SPI). Donations are welcome.