FlowViewer is a web-based netflow data analysis tool.
Live DVD with CORE network simulator
simplePXE brings a PXE server to everyone
OSPF network discovery script via SNMP.
Recursive mapping/discovery of network devices via CDP/OSPF
BGPHist stores MP-BGP updates activity and history into a database.
Send steganographed text messages to mtr with fake hops in the network