Zenoss

Zenoss is a free and open-source application server and network management platform based on the Zope application server. Released under the GNU Public License (GPL) version 2. Zenoss Core provides a web interface that allows system administrators to monitor availability, inventory/configuration, performance and events.

Zenoss Core is build upon Zope, Python, Net-SNMP, RRDtool, MySQL, Twisted and Lucene opensource technologies.

Zenoss Core provides the following capabilities to system administrators.

1. Monitoring availability of network devices using SNMP, SSH, WMI.
2. Monitoring of network services (HTTP, POP3, SNMP, FTP).
3. Monitoring of host resources (processor, disk usage) on most network operating systems.
4. Time-series performance monitoring of devices.
5. Extended Microsoft Windows Monitoring via Windows Management Instrumentation using SAMBA and Zenoss open source extensions.
6. Event management tool to annotate system alerts.
7. Automatically discovers network resources and changes in network configuration.
8. Alerting system provides notifications based on rule sets and on-call calenders.
9. Supports Nagios plug-in format.

Supported platforms for Zenoss:
Most of the Linux platforms, VMware applience and sources for any other Unix systems.

For more information and to download click here.