What can Nagios help you do?




Application Monitoring


Log Monitoring



Nagios XI provides monitoring of all mission-critical infrastructure components including applications, services, operating systems, network protocols, systems metrics, and network infrastructure. Hundreds of third-party addons provide for monitoring of virtually all in-house and external applications, services, and systems.

Nagios Log Server greatly simplifies the process of searching your log data. Set up alerts to notify you when potential threats arise, or simply query your log data to quickly audit any system. With Nagios Log Server, you get all of your log data in one location, with high availability and fail-over built right in. Did we mention no data limits?

Nagios Fusion offers your network a high degree of visibility and scalability, helping solve problems that come with multiple networks and geographical separation. By allowing you to visualize multiple Nagios XI and Core servers in one location, network management becomes simplified by centralization.

Network Monitoring

When it comes to open source network monitoring tools, the World’s largest organizations turn to Nagios. Nagios monitors the network for problems caused by overloaded data links or network connections, as well as monitoring routers, switches and more. Easily able to monitor availability, uptime and response time of every node on the network, Nagios can deliver the results in a variety of visual representations and reports.

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Server Monitoring

Nagios is known for being the best server monitoring software on the market. Server monitoring is made easy in Nagios because of the flexibility to monitor your servers with both agent-based and agentless monitoring. With over 5000 different addons available to monitor your servers, the community at the Nagios Exchange have left no stone unturned.

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Application Monitoring

Implementing effective application monitoring with Nagios allows your organization to quickly detect application, service, or process problems, and take action to eliminate downtime for your application users. Nagios provides tools for monitoring of applications and application state – including Windows applications, Linux applications, UNIX applications, and Web applications.

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

See more Nagios Case Studies here



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

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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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Energy solutions giant sees increased capabilities, productivity by deploying Nagios

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Nagios Open Source

Nagios Core

Download the core monitoring engine and a basic web interface.


Nagios Core Plugins

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


Nagios Core Frontends

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


Nagios Core Addons

See additional projects that extend Nagios Core functionality.


Migrate to Nagios XI!

Get Nagios XI, our fully supported solution for monitoring, alerting, graphing and reporting. Moving core data is easier than ever!

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Ready to Try Nagios?

You can try any of our solutions free for 30 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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