Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
AWStats Log Analyzer
ISC dhcpd leases usage analysis
Snare Enterprise: bit.ly/Snare-Trial
Kafka implemented in Golang with built-in coordination
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
Visual Syslog Server for Windows with a graphical user interface.
Squid log data warehouse
Piwik - Remixed!
Full Featured Windows Command Line Syslog Logger
Over 600 classes for Web, RFC & File Management