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 ) !
Net Nanny - The best parental control and web filtering software. Complete visibility and control over your child's online activity. Sign up today to start.
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.
Norton Family - Symantec provides security products and solutions to protect small, medium, and enterprise businesses from advanced threats, malware, and other cyber attacks.
3proxy - 3proxy freeware proxy server for Windows and Unix. HTTP, SOCKS, FTP, POP3
Covenant Eyes - Covenant Eyes has been around for over two decades, and was originally designed as a way for people to overcome the lure and accessibility of pornography on the Internet. Read more about Covenant Eyes.
FreeProxy - Feature summary from website:* Internet connection sharing with demand dialling