# Datadog vs Nagios

| Attribute | Datadog | Nagios |
|---|---|---|
| **vioscaleAI score** | 55.2 (59% (medium)) | 59.8 (21% (low)) |
| content.faq | `[{"answer":"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. It is indexed under Observability Tools.","source":"https://www.datadoghq.com","question":"What is Datadog?","confidence":0.6},{"answer":"Datadog offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.datadoghq.com","question":"Is Datadog free?","confidence":0.6},{"answer":"Datadog supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.datadoghq.com","question":"What platforms does Datadog support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Datadog, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.datadoghq.com","question":"Can Datadog be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Datadog, including Google Vertex AI, Google Cloud Security Command Center, Google Cloud SQL, Google Cloud Run, Dataflow, OpenTelemetry and OpenLineage. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.datadoghq.com","question":"What does Datadog integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for Datadog. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Datadog not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.datadoghq.com/security","question":"What security certifications does Datadog have?","confidence":0.7}]` | `[{"answer":"A free, open-source monitoring system that tracks the health and performance of IT infrastructure including servers, networks, and applications, providing real-time visibility and alerting to prevent downtime. It is indexed under Observability Tools.","source":"https://www.nagios.org","question":"What is Nagios?","confidence":0.6},{"answer":"Nagios is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://www.nagios.org","question":"Is Nagios free to use?","confidence":0.6},{"answer":"Nagios supports the web, Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.nagios.org","question":"What platforms does Nagios support?","confidence":0.6},{"answer":"Yes. Nagios can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.nagios.org","question":"Can Nagios be self-hosted?","confidence":0.6},{"answer":"We have confirmed 26 integrations for Nagios, including Grafana, InfluxDB, Prometheus, Apache, Nginx, IIS, Tomcat and MySQL, plus 18 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.nagios.org","question":"What does Nagios integrate with?","confidence":0.6}]` |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | A cloud-based platform for monitoring application performance, logs, network activity, and user behavior, combined with security capabilities for threat detection and remediation. | An open-source platform for monitoring servers, networks, applications, and cloud infrastructure using active polling, with log analysis and visualization capabilities. |
| 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,"synthetic_active_monitoring":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":"hybrid","freeTier":true,"sourceUrl":"https://www.nagios.org","retrievedAt":"2026-10-06T11:28:57.917Z","freeTrialDays":30}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | unknown | low |
| 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: vioscaleAI. Generated 2026-10-16T19:02:35.756Z. "-" = undocumented, not absent.*