Free Nagios Alternatives

Alternatives to Nagios for all platforms with Free License

Zabbix

An uncompromising mature enterprise-level platform designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices, effortlessly scaling to even larger environments. 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.
- Innovative UI and complex functions. Guest • May 2018 • 1 agrees and 2 disagrees
Free Open Source Linux Self-Hosted FreeBSD OpenBSD
Azure integration Network Monitoring Server Monitoring Custom Dashboard ... Enterprise Hardware Monitoring Network Monitoring Add a feature

166 Like
Netdata

Netdata democratizes monitoring, empowering IT teams to know more about their infrastructure, enabling them to quickly identify and troubleshoot issues, collaborate to solve problems and make data-driven decisions to move business forward.
- Super fast monitoring of the system, and also of the monitors the kernel of the system. Guest • Mar 2017 • 2 agrees and 1 disagrees
Free Open Source Mac Linux Web BSD Self-Hosted ... C (programming language) Python JavaScript Node.JS Bash
Server Monitoring Hardware Monitoring Real-time Statistics Charts ... Cloud Monitoring Container monitoring Database Monitoring Support for Docker Enterprise Kubernetes Kubernetes Monitoring Metrics Network Monitoring Performance Monitoring Real-time monitoring Server Monitoring Time Series Website monitoring Add a feature

39 Like
Icinga

Icinga is a fork of Nagios and is backward compatible. So, Nagios configurations, plugins and addons can all be used with Icinga. Though Icinga retains all the existing features of its predecessor, it builds on them to add many long awaited patches and features requested by the user community.

Freemium Open Source Mac Linux
Hardware Monitoring Network Monitoring Add a feature

33 Like
LibreNMS

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. Observium's license changed to a modified QPL license in May 2012, and recently was split into free and commercial versions. Our aim with LibreNMS is to continue to create a usable NMS, but with a community focus and GPL licensing.
- Best open source tool that I've tried! Easy to install, manage and low support. Guest • Apr 2019
- So easy to setup, very powerful, and can use the Nagios plugins. Teke2 • Mar 2018
Free Open Source Linux BSD MySQL Community Edition Apache HTTP Server JavaScript ... PHP
Network Discovery Network Monitoring IT Asset Management Networking ... SNMP Trap Support Add a feature

33 Like
Spiceworks Help Desk

Join millions of IT professionals and download Spiceworks, a free network monitoring software with network management tools, help desk ticketing app, network mapper and more. Spiceworks is the complete network monitoring & management, help desk, PC inventory, and software reporting solution to manage Everything IT in small and medium businesses.

Free Windows Web Android Android Tablet
Forums Hardware Monitoring Helpdesk ticketing Inventory management ... IT Asset Management Knowledge base Mobile Device Management Network mapping Network Monitoring Add a feature

75 Like
Cockpit Project

Cockpit makes it easy to administer your GNU/Linux servers via a web browser. Easy to use Cockpit is perfect for new sysadmins, allowing them to easily perform simple tasks such as storage administration, inspecting journals and starting and stopping services. No interference Jumping between the terminal and the web tool is no problem. A service started via Cockpit can be stopped via the terminal.

Free Open Source Linux
Debugger Server Management Server Monitoring Add a feature

15 Like
PRTG Network Monitor

An advanced, easy-to-use monitoring solution for your entire network. The software's features include: up/downtime monitoring, traffic and usage monitoring, packet sniffing, failover clustering, in-depth analysis and concise reporting. A user-friendly web-based interface allows users to quickly auto-discover and configure the network devices and sensors they wish to monitor.
- PRTG is highly flexible and fairly intuitive. Guest • Jul 2019
Freemium Windows
Network Monitoring Network Monitoring Portable Sniffer Add a feature

38 Like
Cacti

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. Along with being able to maintain graphs, data sources, and Round Robin archives in a database, cacti handles the data gathering. There is also SNMP support for those used to creating traffic graphs with MRTG.

Free Open Source Windows Linux
Enterprise Graphs Network Monitoring Add a feature

21 Like
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Munin

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. In Norse mythology Hugin and Munin are the ravens of the god king Odin. They flew all over Midgard for him, seeing and remembering, and later telling him. "Munin" means "memory".

Free Open Source Linux
Network Monitoring Network Tools Networking Add a feature

44 Like
PHP Server Monitor

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. * Monitor services and websites (see below). * Email, SMS and Pushover.net notifications. * View history graphs of uptime and latency. * User authentication with 2 levels (administrator and regular user).

Free Open Source Windows Linux BSD Self-Hosted PHP
Uptime Monitoring Alerting Statistics and Reports Php ... Website monitoring Add a feature

19 Like