GoAccess is a real-time web log analyzer and interactive viewer
Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
Intelligently block brute-force attacks by aggregating system logs
AWStats Log Analyzer
ISC dhcpd leases usage analysis
Strong Email & Apache Log Analysis with Active Security Features
Bubbles the simple, easy to use HTTP web server, browser controlled
A multi-threaded, multi-database tcp-based database insertion app.
repair corrupted pcap and pcapng files
Snare Enterprise: bit.ly/Snare-Trial
Real-time traffic analysis for your website for 100% FREE
Monitor your internet connection
Open Source SIEM
A multi-platform universal log collector and forwarder
Log File Monitoring - Check Log Files, Analyze, Alert on any UNIX Log
Free Syslog Server for Windows with a graphical user interface