Open Source Nagios Alternatives
The best open source alternative to Nagios is Zabbix. If that doesn't suit you, our users have ranked more than 100 alternatives to Nagios and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Nagios are Netdata, Icinga, Cockpit Project and Cacti.
Nagios alternatives are mainly Network Monitors but may also be Website Monitors or Uptime Monitor Services. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Nagios.
- Free • Open Source
- Linux
- Self-Hosted
- FreeBSD
- OpenBSD
Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.
Zabbix vs Nagios opinions
Innovative UI and complex functions.
- Free • Open Source
- Mac
- Linux
- Online
- BSD
- Self-Hosted
- C (programming language)
- Python
- JavaScript
- Node.JS
- Bash
Infrastructure-wide health monitoring & performance troubleshooting in one place. Collaborate in the same place as relevant data from your systems and applications, reducing mean time to acknowledge (MTTA), & mean time to resolution. (MTTR).
Netdata vs Nagios opinions
Super fast monitoring of the system, and also of the monitors the kernel of the system.
Icinga is a fork of Nagios and is backward compatible. So, Nagios configurations, plugins and addons can all be used with Icinga.
Icinga vs Nagios opinions
Makes it easy to administer Linux servers via a web browser. It allows you to easily perform simple tasks like storage administration, inspecting journals, starting & stopping services, monitoring & administering several servers at once.
Cacti is a complete frontend to RRDTool, it stores all of the necessary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven.
Cacti vs Nagios opinions
- Free • Open Source
- Linux
- BSD
- MySQL Community Edition
- Apache HTTP Server
- JavaScript
- PHP
LibreNMS is an autodiscovering PHP/MySQL based network monitoring system forked from Observium. LibreNMS aims to be easy to use, painless to deploy, and support monitoring of a wide range of devices.
LibreNMS vs Nagios opinions
Teke2So easy to setup, very powerful, and can use the Nagios plugins.
Best open source tool that I've tried! Easy to install, manage and low support.
Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.
- Free • Open Source
- Windows
- Linux
- BSD
- Self-Hosted
- PHP
- Cloudron
PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.
Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems. It is designed to be very plug and play. A default installation provides a lot of graphs with almost no work.
Checkmk is a monitoring tool of servers, applications, networks, cloud, containers, storage, databases, IoT and more. Checkmk is available as Raw Edition, which is 100% pure open source, and as Enterprise Edition with a lot of additional features.
