
Simple Port Forwarding
Portfwd
PortMapper
Packet Sender
socat
Port Map
Komodia Relay
tcpdump
RectifyData
Portfwd - Portfwd, Port Forwarding Daemon, stands for port forwarding daemon.
PortMapper - Do you need to map a specific TCP or UDP port on your machine to another port on another machine?
Packet Sender - Packet Sender can send and receive UDP, TCP, and SSL on the ports of your choosing.
socat - socat is a relay for bidirectional data transfer between two independent data channels.
Port Map - TheCodingMonkeys, authors of software like SubEthaEdit.
Komodia Relay - Free open source tool to perform TCP based session relay