NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.
NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
CSArp-Netcut - An arpspoofing program that lets users launch spoofed arp requests to disrupt connections in a LAN
Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
SelfishNet - Block anyone or any device from using your internet
Wifi Analyzer - Wifi Analyzer is a handy tool which helps you to select a better channel for your wireless router.