Full-featured enterprise network management tool
3D Network Traffic Visualisation
Leet is CCEx's software application for on-the-fly encryption (OTFE).
Open Source Intelligence Automation.
Open Source SIEM
MitM pentesting opensource toolkit
Finds all the security information for a given domain name
Web based management tool for unixes
NetStress is a DDoS and network stress testing tool.
Send steganographed text messages to mtr with fake hops in the network
Open Source System and Network Monitoring for Linux Desktop
Passive Proxy Daemon sniffs packets and creates squid proxy logs