Complete , simple and powerfull , all option for band control included ! But free for only 3 user . I have not found better 20' min for reading instruction, installing and setup for non expert , (3' min for expert ) !
Squid Proxy - Website Content Acceleration and Distribution. Thousands of web-sites around the Internet use Squid to drastically increase their content delivery. Squid can reduce your server load and improve delivery speeds to clients.
FoxyProxy - FoxyProxy is a set of proxy and proxy switcher to reach the content of international market and easily switch between multiple proxies and proxy servers.
3proxy - 3proxy freeware proxy server for Windows and Unix. HTTP, SOCKS, FTP, POP3
Proxifier - Proxifier extends the advantages of a proxy server to network applications that don't natively support it.
FreeProxy - Feature summary from website:* Internet connection sharing with demand dialling
Proxy-Switcher - Anonymous Browsing using Proxy Switcher automatically switching among multiple available proxy...