DAD is a Windows event log and syslog management tool that allows you to aggregate logs from hundreds to thousands of systems in real time. DAD requires no agents on the servers or workstations. Correlation and analysis is driven through a web front end.
SB EventLog Monitor is monitoring and consolidating Windows EventLogs. Events are collected from server using VBS and WMI or by Windows agent. Events are parsed using PHP and YOUR rules and are stored in MySQL database. Email alerts are supported.