Firewall log analyzer
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Tool to find bugs like a grep unix command
Xplico is a Network Forensic Analysis Tool (NFAT)
Open Source SIEM
Android app for MXQ TVbox to control an Arduino board via USB from PHP
BGPHist stores MP-BGP updates activity and history into a database.
Log and track user/computer info in MS Windows environments