# Datadog vs Nagios

| Attribute | Datadog | Nagios |
|---|---|---|
| **Vioscale score** | 55.7 (64% (medium)) | 100 (17% (low)) |
| deployment.options | `{"cloud":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | A cloud-based observability and security service that integrates infrastructure monitoring, application performance tracking, log analysis, and real-user session monitoring. Designed to help teams detect issues, troubleshoot problems, and secure applications by providing a single view across metrics, traces, logs, and user interactions. | 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. |
| features.capabilities | `{"apm":true,"rum":true,"logs":true,"hosting":"cloud","metrics":true,"on_call":true,"tracing":true,"alerting":true,"dashboards":true,"otel_native":true}` | `{"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}` |
| integrations.count | 7 | 4,000 |
| integrations.list | `[{"name":"Google Vertex AI"},{"name":"Google Cloud Security Command Center"},{"name":"Google Cloud SQL"},{"name":"Google Cloud Run"},{"name":"Dataflow"},{"name":"OpenTelemetry"},{"name":"OpenLineage"}]` | `[{"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"}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"ios":true,"web":true,"android":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"subscription","currency":"USD","sourceUrl":"https://www.datadoghq.com","retrievedAt":"2026-08-14T11:06:35.140Z","freeTrialDays":14}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.nagios.org","retrievedAt":"2026-08-16T21:32:30.252Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | unknown | free |
| pricing.transparent | no | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.iso27001 | yes | - |
| security.soc2 | yes | - |

## Capabilities (Observability Tools)

| Capability | Datadog | Nagios |
|---|:--:|:--:|
| **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 only | Cloud + self-hosted |

*Source: Vioscale. Generated 2026-09-01T17:30:44.829Z. "-" = undocumented, not absent.*