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ZABBIX Screenshot
ZABBIX 1.4: The Ultimate Monitoring Solution

Distributed monitoring

Scalability

Real-time monitoring

Visualisation

Fast Problem Resolution

Assuring SLA

Reporting and trending
XML data import/export
Auto discovery
Open Source Solution
Easy Administration

WEB monitoring

Flexibility

All Information is Available Online

Pro-active monitoring

Aggregate monitoring

Agentless monitoring

High performance agents

Security

and more...