GoAccess is a real-time web log analyzer and interactive viewer
Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
Sends logs to files, sockets, inboxes, databases and web services
Intelligently block brute-force attacks by aggregating system logs
ISC dhcpd leases usage analysis
A multi-threaded, multi-database tcp-based database insertion app.
Strong Email & Apache Log Analysis with Active Security Features
repair corrupted pcap and pcapng files
Snare Enterprise: bit.ly/Snare-Trial
Open Source SIEM
Free-SA is report generating tool for web, proxy and mail log files
Integrated to system status data based on the HDFS