Official site. FAQs, configuration guide, support documentation and downloads. [Unix, Linux]

Oscar Pearson's guide to installing, configuring and running a Squid implementation.

Offers GUI based caching interface, customized white papers for configuring squid in direct and transparent and reverse proxy modes.

A fast redirector, and access control filter for Squid. Also provides a large collection of blacklists for blocking of objectionable sites, and a robot for generating them.

Advertising site for a book on Squid, written by Duane Wessels. Offers chapter summaries, reviews and purchase locations.

A redirector for squid that intercepts advertising (banners, popup windows, flash animations, etc.), page counters and some web bugs (as found).

A flexible regex based redirector for Squid.

Version of Squid written for Windows operating systems. Free download.

Instructions on how to use OpenBSD packet filter (pf) to redirect http connections to a squid cache transparently without any client configuration. [OpenBSD]

Maintenance page for OS/2 version of Squid.