PortMapper - Do you need to map a specific TCP or UDP port on your machine to another port on another machine?
NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.
netcat - Netcat is a featured networking utility which reads and writes data across network connections...
SelfishNet - Block anyone or any device from using your internet
Komodia Relay - Free open source tool to perform TCP based session relay
CSArp-Netcut - An arpspoofing program that lets users launch spoofed arp requests to disrupt connections in a LAN