Free & Open Source Network Monitoring Systems

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Candidates:

• Nagios (formerly NetSaint)
• OpenNMS
• SpiceWorks
• Commercial Products

Reviews:

• Network monitoring
• Popular Network Management Software in Comparison

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Nagios

Currently the most widely implemented Open Source Network Management Solution.

Nagios Links:

• www.nagios.org
• exchange.nagios.org
• nagiosplugins.org

Nagios How-To Links

• GOLETA5 Build Notes: Nagios
• GOLETA9 Build Notes: Nagios
• BDEX Nagios Woes
• HOW to activate the Linux, Windows, Cisco and Netscreen SNMP clients
• Monitor Windows Event Log With Nagios
• Installing Nagios on Ubuntu

OpenNMS

www.opennms.org
Built to compete with HP's OpenView, the defacto NMS standard for large organizations.

SpiceWorks Desktop

www.spiceworks.com
Free, add supported solution with a very pretty front-end and agent-less discovery via SNMP, SSH and WMI with alerting and reporting.clientless network inventory application. Installs on Windows only.

Spiceworks Reviews

Network monitoring: Zenoss, SpiceWorks, Nagios, and Hyperic - 8/4/08
Spiceworks IT Desktop Review - 5/15/09

NetXMS

netxms.org

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Commercial NMS

InterMapper

www.intermapper.com

OPenView

openview.hp.com

Zenoss

www.zenoss.com
Opensource, good interface and agent-less monitoring via SNMP, SSH and WMI.