Capture and display SIP and DIAMETER messages
Library for reading nfdump files
Manage your Snort rules with N.S.M.
A program for monitoring a DSL connection
The Network Forensics Tool
BGPHist stores MP-BGP updates activity and history into a database.
...has moved to packetpeeper.org
Debugging tools for application-to-application communication.
Open Source BGP Looking-glass
Stormons is a powerful SAN mapping and monitoring program
Graylog2 Server Appliance for Windows
CIM Surveyor is a free Android mobile CIM discovery application.
network packet sniffer
provides monitoring work of the system distinguishing by applications