Windows Networking Network Monitoring
Displays the status of the LAN
Recover the WiFi keys you used with your computer
Monitor the connection speed of your local network
Scans the ports of a network
Make sure you're still connected to the Internet
Analyze open ports with this portable program
Control a PC remotely from the browser
A sniffer to capture packets in TCP and UDP protocols
Detect the WiFi networks around you
Use your mobile as a 3G Internet provider for your PC