1)   PortChain 2.1
Infinitely port forwarding until the destination is achieved.
port forwarding, port forward, tcp tunnel, upnp port mapping, tcp forwarding, port mapper, port mapping, port forwards, port forward, port forwarding tool,

 2)   GateWall 3.1
GateWall is an easy to use toolkit to provide Internet access for LAN users. The network administrator will be able to supervise Internet connections, calculate consumed traffic, email detailed usage reports to consumers and much more!
internet connection sharing, internet sharing, proxy server, internet access sharing, modem sharing, modem sharer, gatewall, connection sharing, network gateway, web proxy,

 3)   UserGate 4.3
UserGate simplifies network administration by providing centralized management of users, groups, and computers across your LAN, now with DHCP support. UserGate server provides complete traffic control by using Dual Core Antivirus Engines.
proxy, proxy server, internet connection sharing, antivirus protection, antispyware, DHCP, firewall software, FTP, VPN, port mapping,