GoAccess is a real-time web log analyzer and interactive viewer
AWStats Log Analyzer
Apache Log Parser and Data Normalization Application
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
awkStatistics generates statistics from csv-data with awk.
A RFC 5424 syslog viewer
Python WebServer Log File Analyzer
Script to report downloads recorded in Apache log files
Utility to move honeyd.log entries to a MySQL database.
Project's new home: https://github.com/Stunner/FileZilla-Log-Analyzer