Open Source SIEM
A multi-platform universal log collector and forwarder
Log File Monitoring - Check Log Files, Analyze, Alert on any UNIX Log
A syslog message generator that replicates real syslog messages
Workflow Designer, Hive Editor, Pig Editor, File System Browser
Build custom filter for your network based off of common communication
Python WebServer Log File Analyzer
Free-SA is report generating tool for web, proxy and mail log files
OCD-01 [OSSEC Cool Dashboard]
web front-end for vnstat
PHPIDS-based Security Log Analyzer for Apache
Squid log data warehouse
Write Squid access.log entries into a mysql database.