Privoxy - Non-caching web proxy

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.

The most recent release is 3.0.19 (stable).

Download -
Download recent releases
Quickstart after installation

Documentation
User manual
Frequently Asked Questions
Developer Manual
Classic Man Page

Visit website -
http://www.privoxy.org/
http://en.wikipedia.org/wiki/Privoxy
http://sourceforge.net/projects/ijbswa/
Screenshot -
Proxy Setup