The Best 99 Nagios Alternatives

  • OpsDash

    All-in-one server monitoring, service monitoring, database monitoring, uptime monitoring, app metric monitoring and alerting. Fast setup. Easy to use.

    Commercial

  • Centreon Enterprise Server

    Centreon is a GUI built ontop of Nagios. Features include: monitoring your servers, active elements and applications. real-time operating and component management...

    Free Open Source Linux

  • System Center Operations Manager

    System Center Operations Manager 2012 R2 uniquely enables customers to reduce the cost of data center management across server operating systems and hypervisors through...

    Commercial Windows Linux

  • PhpSysInfo

    phpSysInfo: a customizable PHP script that displays information about your system nicely

    Free Open Source Self-Hosted PHP

  • Xymon

    Xymon is a tool for monitoring servers, applications and networks. It collects information about the health of your computers, the applications running on them, and the...

    Free Mac OS X Linux

  • Bosun

    An open-source monitoring and alerting system.

    Free Open Source Mac OS X Windows Linux

  • Thruk

    Thruk is free of charge and completely open source software. There is no open core or community version. Although Support is available. Thruk is a multibackend...

    Free Open Source Linux Icinga Nagios

  • Naemon

    Naemon is the new monitoring suite that aims to be faster and more stable, while giving you a clearer view of the state of your network.

    Free Linux

  • Advanced Host Monitor

    HostMonitor is a highly scalable network monitoring software suitable for small and enterprise-level networks.

    Commercial Windows

  • Agentless Monitor

    Agentless Monitor is a sophisticated rules engine capable of sensing rule violations within seconds and alerting you immediately. It monitors network, servers...

    Free Mac OS X Windows Linux

  • ElastAlert

    A simple framework for alerting on anomalies, spikes, or other patterns of interest from data in Elasticsearch.

    Free Open Source Mac OS X Windows Linux BSD

  • Hosted Graphite

    Hosted Graphite providing scalable application and software metrics and monitoring, as well as hosted grafana graphs, StatsD, and AWS stats.

    Commercial Web

  • Monitor in a Box

    open-source monitoring platform built by the team behind stacktile and using ansible to create a monitoring infrastructure.

    Freemium Mac OS X Linux Web Self-Hosted Ansible

  • Bijk

    Smart Server Monitoring | Bijk.com

    Freemium Web

  • Ipsentry

    IPSentry provides monitoring of all aspects of your network 24/7 and alerts you when there is a potential problem. Unlimited device monitoring. Agent-less...

    Commercial Windows

  • SQL Wristband

    SQL Wristband is an SQL Server performance monitoring tool developed to monitor Wait Stats and File Stats metrics

    Free Open Source Windows

  • Wavefront by VMware

    Wavefront is an enterprise-class metrics monitoring and real-time analytics service that lets you visualize, query and alert over data from across your stack...

    Commercial Web