NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.
NetSurveyor - NetSurveyor is an all one network diagnosing and troubleshooting tool for the Windows operating systems.
ARP Monitor - Keeps a record of ARP traffic in realtime with a log of changes and new addresses and IP mappings.
inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
WifiKill - App with ability to block other devices from network
NetStumbler - Official source of information about Netstumbler.