Proxy Server

Polipo
http://www.pps.jussieu.fr/~jch/software/polipo/
Privoxy
http://www.privoxy.org/user-manual/seealso.html
Squid
http://www.squid-cache.org/

Oops
http://zipper.paco.net/~igor/oops.eng/

proximodo
http://proximodo.sourceforge.net/

proxomitron
http://www.proxomitron.info/files/index.html

ProxyTrack
http://www.httrack.com/proxytrack/
HtTrack的sub-projects(WinHtTrack與WebHtTrack)