NetProxy 3.05
URL: http://www.grok.co.uk/netproxy/

NetProxy provides simultaneous Internet access to multiple users on your network using just a single Internet account of practically any type (modem, ISDN, cable modem, DSL, leased line, etc.). 

NetProxy includes a powerful web cache to boost performance and reduce online costs. There is also an application-level firewall to protect your network from unwanted access, and full access logging to allow you to track Internet usage. Using the additional NetProxy Log Analysis Tool (free to all registered users of NetProxy 3.0 or above), you can produce stunning graphical charts and textual reports of Internet activity.