1)   MonitorWare Console 3.0
MonitorWare Console is an analysis application for Windows event logs, firewalls and network events. It offers live, interactive views and great reports. A number of helpful tools are included, even a network scanner.

 2)   EventReporter 7.0
EventReporter monitors Windows NT/2000/XP event log and forwards events either to a syslog daemon or email recipient. Ideal for centrally monitoring NT event logs. Runs as a service.

 3)   EventMeister 3.0
EventMeister is a powerful solution to centrally monitor and analyze Windows Event Logs. It will alert you to security issues and other critical events, facilitate archiving of log data and assist with analysis and meeting audit requirements.

 4)   EventConsolidator 1.0RC1
EventConsolidator is an agentless solution for monitoring multiple Windows machines. It provides a single powerful view of all event logs. Reports provide in-depth information about your systems - without the need to look at each event log manually.