LibreNMS is a fully featured network monitoring system that provides a wealth of features and device support.
It supports a broad range of operating systems including Linux, FreeBSD, as well as network devices including Cisco, Juniper, Brocade, Foundry, HP and many more.
LibreNMS is free and open source software.
Key Features
- Automatic discovery – automatically discover your entire network using CDP, FDP, LLDP, OSPF, BGP, SNMP and ARP.
- Billing system – generate bandwidth bills for ports on your network based on usage or transfer.
- Customisable alerting – highly flexible alerting system, notify via email, IRC, slack and more.
- Automatic updates – stay up-to-date automatically with bug fixes, new features and more.
- API access – a full API to manage, graph and retrieve data from your install.
- Distributed polling – horizontal scaling to grow with your network.
- Integration support for: Nfsen, collectd, SmokePing, RANCID, and Oxidized.
- Supports multiple authentication methods: MySQL, HTTP, LDAP, Radius, and Active Directory.
- Extensive device support.
- Mobile friendly Web user interface.
- UNIX agent.
- Apps for iPhone and Android.
Website: www.librenms.org
Support: GitHub Code Repository
Developer: LibreNMS contributors
License: GPLv3, and includes exceptions for included third-party packages

LibreNMS is written in PHP. Learn PHP with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Know a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

