Alternatives to Nagios XI

Commercial self-hosted edition of Nagios with a web-based setup wizard. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as Nagios XI.

  • Nagios Core

    Monitor hosts and services with a configurable alerting engine.

    FreeOpen sourceSelf-hosted

    Nagios Core is the free GPL-2.0 open-source engine Nagios XI builds on, but lacks the web setup wizard, so checks need manual configuration.

  • PRTG Network Monitor

    Sensor-based network monitoring, free for the first 100 sensors.

    FreemiumProprietaryWindowsWebSelf-hosted

    PRTG configures autodiscovery, maps and alerting in one interface with 100 free sensors, but runs only on Windows servers and licenses per sensor.

  • Zabbix

    Enterprise-scale open-source monitoring for networks and applications.

    FreeOpen sourceLinuxWebSelf-hosted

    Zabbix is free and open source under AGPL-3.0, scaling with proxies and templates, though configuration is extensive.

  • Checkmk

    Hybrid open-source and commercial monitoring with agent-based and SNMP auto-discovery.

    FreemiumOpen sourceSelf-hosted

    Checkmk offers auto-discovery and a free open-source edition, with advanced features and scaling in paid commercial editions.

  • Icinga 2

    Monitor infrastructure availability with a configurable checking and alerting system.

    FreeOpen sourceSelf-hosted

    Icinga 2 is free and open source under GPL-3.0 with distributed monitoring, though full deployment needs configuration and web-interface components.

  • Centreon

    French enterprise network and IT monitoring platform with business activity dashboards.

    FreemiumOpen sourceSelf-hosted

    Centreon is freemium and open source with business activity dashboards, with the full feature set split across free and enterprise editions.

  • SolarWinds Network Performance Monitor

    Industry-standard self-hosted network performance monitor with intelligent maps.

    PaidProprietarySelf-hosted

    SolarWinds NPM focuses on network performance with NetPath and intelligent maps, and is also paid, proprietary self-hosted software.

  • ManageEngine OpManager

    Zoho's network monitoring software for routers, switches and hybrid infrastructure.

    FreemiumProprietarySelf-hosted

    ManageEngine OpManager covers fault, performance and configuration management with a free tier for smaller networks, but remains proprietary.

Also worth comparing

These listings name Nagios XI as their own alternative, so the relationship runs both ways.

  • Naemon

    Community-run network and host monitoring suite built on the Nagios 4 core.

    FreeOpen sourceLinuxSelf-hosted

    Nagios XI is a paid proprietary Nagios edition with a web setup wizard and dashboards, licensed per node.

Similar software

Related functionality, not a direct replacement.