OpenNMS

OpenNMS focuses on three main areas:
Service Polling - determining service availability and reporting on same.
Data Collection - collecting, storing and reporting on network information as well as generating thresholds.
Event and Notification Management - receiving events, both internal and external, and using those events to feed a robust notification system, including escalation

• SNMP, HTTP, JMX Data collection
• Graphical Reports
• Polling / Monitoring
• Auto discovery