socat - socat is a relay for bidirectional data transfer between two independent data channels.
NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.
Komodia Relay - Free open source tool to perform TCP based session relay
WifiKill - App with ability to block other devices from network
AUTAPF - Reliable TCP and UDP port forwarding for Windows.
TuxCut - TuxCut is a netcut "in Windows OS" like software written in PyQt.