# Nagios alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 475 of the 504 answers in the 2 categories where Nagios holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://www.gane.ai/index/it/vendors/nagios/alternatives

## Named instead, most often (every category and segment added)

- Datadog: 66
- Paessler PRTG Network Monitor: 43
- ManageEngine OpManager: 27
- Site24x7: 26
- Zabbix: 26
- Auvik: 21

## Network monitoring and management

**Small business**: 80 of 84 answers did not name Nagios (Nagios is #8 of 11 at 2%).

- Paessler PRTG Network Monitor: first choice in 36 of those 80
- Auvik: first choice in 10 of those 80
- Domotz: first choice in 8 of those 80
- NinjaOne: first choice in 5 of those 80
- ManageEngine OpManager: first choice in 4 of those 80
- Zabbix: first choice in 4 of those 80
- Site24x7: first choice in 2 of those 80
- Checkmk Community: first choice in 1 of those 80

**Mid-market**: 72 of 84 answers did not name Nagios (Nagios is #8 of 12 at 2%).

- ManageEngine OpManager: first choice in 14 of those 72
- Auvik: first choice in 11 of those 72
- Paessler PRTG Network Monitor: first choice in 7 of those 72
- SolarWinds Network Performance Monitor: first choice in 6 of those 72
- Zabbix: first choice in 6 of those 72
- LibreNMS: first choice in 3 of those 72
- LogicMonitor: first choice in 2 of those 72
- Cisco Catalyst Center: first choice in 1 of those 72

**Enterprise**: 80 of 84 answers did not name Nagios (Nagios is #11 of 15 at 2%).

- LogicMonitor: first choice in 11 of those 80
- Datadog Network Monitoring: first choice in 10 of those 80
- ManageEngine OpManager: first choice in 8 of those 80
- SolarWinds Network Performance Monitor: first choice in 6 of those 80
- Kentik: first choice in 5 of those 80
- Red Hat Ansible Automation Platform: first choice in 5 of those 80
- Checkmk: first choice in 3 of those 80
- Cisco Catalyst Center: first choice in 3 of those 80

## Infrastructure monitoring

**Small business**: 80 of 84 answers did not name Nagios (Nagios is #14 of 16 at 0%).

- Site24x7: first choice in 18 of those 80
- Datadog: first choice in 11 of those 80
- Grafana: first choice in 10 of those 80
- New Relic: first choice in 8 of those 80
- Better Stack: first choice in 6 of those 80
- Zabbix: first choice in 6 of those 80
- Prometheus + Grafana: first choice in 5 of those 80
- Paessler PRTG: first choice in 4 of those 80

**Mid-market**: 79 of 84 answers did not name Nagios (Nagios is #9 of 16 at 2%).

- Datadog: first choice in 20 of those 79
- Zabbix: first choice in 10 of those 79
- Site24x7: first choice in 6 of those 79
- LogicMonitor: first choice in 5 of those 79
- Grafana: first choice in 4 of those 79
- Prometheus: first choice in 4 of those 79
- New Relic: first choice in 3 of those 79
- Grafana Stack: first choice in 2 of those 79

**Enterprise**: 84 of 84 answers did not name Nagios (Nagios is #14 of 14 at 0%).

- Datadog: first choice in 35 of those 84
- Dynatrace: first choice in 21 of those 84
- Netdata: first choice in 6 of those 84
- New Relic: first choice in 3 of those 84
- Checkmk: first choice in 1 of those 84
- Grafana: first choice in 1 of those 84
- LogicMonitor: first choice in 1 of those 84
- ManageEngine OpManager: first choice in 1 of those 84

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.