A Swiss army knife for your daily Linux network plumbing
Firewall log analyzer
Powerful, open-source network protocol analyzer
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
PyRPL turns your Red Pitaya into a powerful analog feedback device.
Very Tiny Palmtop Vector Network Analyzer
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
...has moved to packetpeeper.org
Linux game server UDP flood analyzer and protector
Log and track user/computer info in MS Windows environments