Nagios Enterprises LLC, established in 2007 and based in St. Paul, Minnesota, is known for its Nagios host and service monitor platform, which allows IT administrators to identify network problems.
Nagios streamlines the monitoring of SMTP, POP3, HTTP, NNTP, PING, and other network services, along with processor load, disk and memory usage, log file, and other host resources. It can be used to monitor temperature and other environmental factors.
The system can be extended with customized host and service checks. It includes e-mail, pager, and other notification features. A web interface streamlines access to network status, problem history, and log information.
Nagios is a Linux platform product. Nagios Enterprises also provides clients with open source Nagios development, customization, integration, and optimization services.
Originally created under the name NetSaint, the Nagios application was written and is currently maintained by Ethan Galstad, along with a group of developers actively maintaining both official and unofficial plugins.