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Top open source network management tools

As networking continues to expand and diversify, encompassing a growing number of wired and wireless devices, the demand for network monitoring tools remains high. While feature-packed commercial products abound, the growing market for monitoring tools has also fueled robust offerings from the open source community.

We reviewed four popular open source products – Nagios Core 3.5, NetXMS 1.2.7, OpenNMS 1.10.9 and Zenoss Core 4.2. All four products are mature, have extensive monitoring capabilities similar to their enterprise-grade counterparts, and are currently updated with good community support.