Welcome to LibreNMS, a fully featured network monitoring system that provides a wealth of features and device support. Automatically discover your entire network using CDP, FDP, LLDP, OSPF, BGP, SNMP, and ARP. The highly flexible alerting system, notify via email, IRC, Slack, and more. A full API to manage, graph and retrieve data from your install. Generate bandwidth bills for ports on your network based on usage or transfer. Stay up to date automatically with bug fixes, new features, and more. Horizontal scaling to grow with your network. Native iPhone App is available which provides core functionality. Native Android App is available which provides core functionality. Extensive device support, mobile-friendly web UI, Unix agent. An online demo is available for you to try before installing. Support for both Apache and Nginx web servers. Automatic discovery and customizable alerting.