Performance Co-Pilot
A Swiss army knife for your daily Linux network plumbing
Intelligently block brute-force attacks by aggregating system logs
Firewall log analyzer
repair corrupted pcap and pcapng files
tcptrace analyzes packet tcp connections and provides analysis
Snare Enterprise: bit.ly/Snare-Trial
Xplico is a Network Forensic Analysis Tool (NFAT)
PCAP from another point of view
Network Firewall Linux Kernel Module with Conflict Resolution Engine
Open Source SIEM
Bandwidth monitor and rate estimator
Network link bonding/trunking/aggregation and multichannel VPN daemon