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 ) !
dnsmasq - Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.
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.
YogaDNS - YogaDNS automatically intercepts DNS requests at the system level and allows you to process them...
3proxy - 3proxy freeware proxy server for Windows and Unix. HTTP, SOCKS, FTP, POP3
Polipo - A small and fast caching web proxy (a web cache, an HTTP proxy, a proxy server).
FreeProxy - Feature summary from website:* Internet connection sharing with demand dialling