Enhanced Apache Server Status page - for one or multiple servers
Firewall log analyzer
repair corrupted pcap and pcapng files
A java PCAP and DPI library
tcptrace analyzes packet tcp connections and provides analysis
Snare Enterprise: bit.ly/Snare-Trial
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Open Source SIEM
Build custom filter for your network based off of common communication
Integrated to system status data based on the HDFS
Monitoring your infrastructure for free.