Nagios Open Source


Nagios Core


Download the core monitoring engine and a basic web interface.


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Nagios Core Plugins


Download the latest Nagios Core plugins package (50 plugins).


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Nagios Core Frontends


See a variety of Open Source front-ends by the community.


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Nagios Core Addons


See additional projects that extend Nagios Core functionality.


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Monitoring of all mission-critical infrastructure components on any operating system.

Free Download

Make sense of your data. See security threats, audit any system, identify trends and more.

Free Download

Want to find bandwidth bottlenecks? We can tell you who, what, when and where.

Free Download

See how we help thousands of companies save money and eliminate downtime

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Bitnetix

Nagios helps e-commerce retail giant reach $125,000,000 in additional sales

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Astiostech

Single-point monitoring and high availability for 2,500+ servers and 5,000+ network devices

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The University of St. Thomas

University uses better data to improve purchasing decisions, bandwidth allocation, and reaction to anomalies

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Petrofac

Energy solutions giant sees increased capabilities, productivity by deploying Nagios

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Ready to Try Nagios?

You can try any of our solutions free for 60 days with no restrictions. Monitor your entire IT infrastructure, quickly sort log data, or analyze your bandwidth with Nagios. Nagios is helping organizations around the world make better business decisions with proven IT infrastructure monitoring, data collection, and netflow analysis solutions.

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