Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
AWStats Log Analyzer
ISC dhcpd leases usage analysis
Real-time log monitoring in your browser
Open Source SIEM
A decade old shell script to ease postfix log analysis
Log File Monitoring - Check Log Files, Analyze, Alert on any UNIX Log
Build custom filter for your network based off of common communication
Python WebServer Log File Analyzer
A RFC 5424 syslog viewer
Utility to move honeyd.log entries to a MySQL database.
Command line client interface for LOGalyze 4