A free tool for monitoring computers in your local network and any internet hosts.
Displays live information about all TCP and UDP activity on your system.
A tool for Windows that displays system counters for every network interface on your system.
Displays the list of all files that are currently opened by other computers on your network.
A network monitoring tool that captures the packets pass through your network adapter, and displays general statistics about your network traffic.
Bandwidth monitoring software to track Internet bandwidth usage.
A simple utility that monitors the opened TCP connections on your system.
A powerful traffic accounting and Internet sharing tool.
A Network Utility for MacOS X.
Detect who is connected to your network without scanning.