# Nagios vs Netdata

| Attribute | Nagios | Netdata |
|---|---|---|
| **Vioscale score** | 100 (17% (low)) | 75.6 (73% (medium)) |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | A free, community-supported monitoring system that helps organizations detect infrastructure issues and prevent downtime by monitoring servers, networks, applications, and services. It offers a modular plugin architecture for extensibility and includes optional web-based dashboards and visualization tools. | Real-time infrastructure monitoring platform with zero-config observability and per-second metrics. Includes AI-driven investigation, root cause analysis, and transparent per-node pricing. |
| features.capabilities | `{"apm":true,"logs":true,"hosting":"both","metrics":true,"on_call":true,"alerting":true,"dashboards":true,"open_source":true,"snmp_polling":true,"netflow_sflow_ipfix":true,"cloud_vpc_monitoring":true,"auto_discovery_topology":true,"config_backup_change_mgmt":true}` | `{"apm":true,"logs":true,"hosting":"both","metrics":true,"alerting":true,"dashboards":true}` |
| integrations.count | 4,000 | 800 |
| integrations.list | `[{"name":"Grafana"},{"name":"InfluxDB"},{"name":"Prometheus"},{"name":"Apache"},{"name":"Nginx"},{"name":"IIS"},{"name":"Tomcat"},{"name":"MySQL"},{"name":"PostgreSQL"},{"name":"Oracle"},{"name":"SQL Server"},{"name":"MongoDB"},{"name":"LDAP"},{"name":"Active Directory"},{"name":"JBoss"},{"name":"WebLogic"},{"name":"Citrix"},{"name":"PagerDuty"},{"name":"Slack"},{"name":"ServiceNow"},{"name":"DB2"},{"name":"EC2"},{"name":"VMware"},{"name":"Hyper-V"},{"name":"MSSQL"},{"name":"IPMI"}]` | `[{"name":"AWS"},{"name":"Azure"},{"name":"GCP"},{"name":"HashiCorp Vault"},{"name":"SNMP"},{"name":"NetFlow"},{"name":"sFlow"},{"name":"IPFIX"},{"name":"DNS"}]` |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.nagios.org","retrievedAt":"2026-08-16T21:32:30.252Z"}` | `{"type":"subscription","plans":[{"free":false,"name":"Homelabs","summary":"$90/year","features":["Per-second metrics","ML-powered alerts","Unlimited dashboards"],"commitment":"annual","components":[{"kind":"fixed","amount":90,"period":"year","currency":"USD"}],"description":"Homelab monitoring with per-second metrics, ML-powered alerts, and unlimited dashboards","contactSales":false}],"summary":"$90/year for homelabs, per-node pricing for enterprise, free trial available","currency":"USD","freeTier":false,"sourceUrl":"https://www.netdata.cloud/categories/pricing/","retrievedAt":"2026-08-13T16:57:25.786Z","startingPrice":{"amount":90,"period":"month","currency":"USD"},"billingPeriods":["year"]}` |
| pricing.free_tier | yes | no |
| pricing.model | open_source | commercial |
| pricing.price_level | free | high |
| pricing.transparent | - | yes |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |

## Capabilities (Observability Tools)

| Capability | Nagios | Netdata |
|---|:--:|:--:|
| **Signals** |  |  |
| Metrics | ✓ | ✓ |
| Log management | ✓ | ✓ |
| Distributed tracing | - | - |
| Application performance monitoring | ✓ | ✓ |
| Real-user monitoring | - | - |
| **Response** |  |  |
| Alerting | ✓ | ✓ |
| On-call / incident management | ✓ | - |
| **Insight** |  |  |
| Dashboards | ✓ | ✓ |
| **Standards** |  |  |
| OpenTelemetry-native | - | - |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud + self-hosted |

*Source: Vioscale. Generated 2026-09-01T14:26:54.997Z. "-" = undocumented, not absent.*