NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.
SelfishNet - Block anyone or any device from using your internet
WifiKill - App with ability to block other devices from network
TuxCut - TuxCut is a netcut "in Windows OS" like software written in PyQt.
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
ARP Monitor - Keeps a record of ARP traffic in realtime with a log of changes and new addresses and IP mappings.