Platypus - Realtime server monitoring and reporting
Logwatch - Logwatch is a customizable log analysis system.
Monitornator - Server monitoring made simple
Retrospective Log Analyzer - Retrospective is an event log viewer and analysis tool from centeractive. Retrospective is an easy to use log management software and web log analyzer.
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.
Log Parser Lizard - Download this ETL log parser for automated SQL querying any text based data or system logs like Web Server logs, Windows System Events and application log files.