Nagios Core is our original open-source monitoring solution, developed for and supported by hundreds of community members. Create your ideal monitoring and alerting tool with a flexible and extensible monitoring architecture.
Over 10,000 users trust Nagios to monitor their environment. No matter the industry, you can accomplish it all with Nagios.
Monitor your entire IT infrastructure quickly with the most powerful monitoring solution on the market.
Quickly and easily view, analyze, and archive logs from any source in one central location.
See where your bandwidth is dipping or spiking with our commercial grade netflow data analysis solution.
Using Nagios Fusion you gain a centralized visual operational status and enables faster problem resolution over your entire network.
A cross-platform monitoring agent that can be installed on Windows, Linux/Unix, and Mac OS/X machines. NCPA features active and passive checks, remote management, and a local monitoring interface.
An agent that allows you to remotely execute Nagios plugins on Linux/Unix machines and monitor remote machine metrics (disk usage, CPU load, etc.). NRPE can also communicate with Windows agent add-ons like NSClient++, so you can check metrics on remote Windows machines.
NRDP is a flexible data transport mechanism and processor for Nagios that uses standard port protocols (HTTP(S) and XML) and can be implemented as a replacement for NSCA. Designed with a simple and robust architecture, NRDP can be easily extended and customized to fit individual users’ needs.
NDOUtils is an add-on that lets you store current and historical status and event information from one or more Nagios instances on a MySQL/MariaDB database. Several community add-ons use this as one of their data sources.
NSCA allows you to integrate passive alerts and checks from remote machines and applications with Nagios. This agent is useful for processing security alerts as well as deploying redundant and distributed Nagios setups.
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