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.

Wireless Network Watcher - scans your wireless network and displays the list of all computers and devices that are currently connected to your network.

tcpdump - tcpdump is a common packet analyzer that runs under the command line.

Elcomsoft Wireless Security Auditor - Elcomsoft Wireless Security Auditor is software that is used to administer the security of your wireless Network.

SmartSniff - SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers.

Aircrack-ng - Aircrack-ng is an 802.