OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
socat - socat is a relay for bidirectional data transfer between two independent data channels.
MobaSSH - Enhanced SSH server for Windows with Unix tools and much more
PortMapper - Do you need to map a specific TCP or UDP port on your machine to another port on another machine?
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Simple Port Forwarding - Simple Port Forwarding works with WebPages and not directly with your router.