Tcpmon

tcpmon is an open-source utility for monitoring the data flowing on a TCP connection. tcpmon is used by placing it in-between a client and a server. The client is made to connect to tcpmon, and tcpmon forwards the data to server along-with displaying it in its GUI.


Platforms: Mac

TcpMon is an application that lets you monitor TCP activity on your local system. Displays active TCP connections, ports on which the computer is listening. Information returned includes local and remote IP addresses, local and remote ports, and TCP status codes.


Platforms: Windows