# Nagios vs OpenTelemetry

| Attribute | Nagios | OpenTelemetry |
|---|---|---|
| **Vioscale score** | 100 (17% (low)) | 70.9 (61% (medium)) |
| activity.commits_last_30d | - | 97 |
| adoption.github_stars | - | 7,452 |
| adoption.package_downloads_weekly | - | 110,515,759 |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":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. | A standardized platform for instrumenting applications to collect traces, metrics, and logs. Data is collected through language-specific SDKs and services, then exported to any observability backend without requiring application code changes. |
| 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}` | `{"logs":true,"hosting":"both","metrics":true,"tracing":true,"trace_role":"platform","otel_native":true,"service_map":true,"otel_support":"native","trace_search":true,"multi_protocol":true,"metrics_correlation":true,"auto_instrumentation":"agent"}` |
| integrations.count | 4,000 | 3 |
| 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":"Jaeger"},{"name":"Prometheus"},{"name":"Zipkin"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.nagios.org","retrievedAt":"2026-08-16T21:32:30.252Z"}` | `{"type":"open_source","sourceUrl":"https://opentelemetry.io","retrievedAt":"2026-08-24T22:37:05.387Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | - | 14 |
| release.history | - | `[{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.159.0","date":"2026-08-17T17:37:33Z","type":"stable","version":"v0.159.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.158.0","date":"2026-08-04T13:44:21Z","type":"stable","version":"v0.158.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.157.0","date":"2026-07-21T12:38:34Z","type":"stable","version":"v0.157.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.156.0","date":"2026-07-07T07:29:34Z","type":"stable","version":"v0.156.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.155.0","date":"2026-06-23T16:56:18Z","type":"stable","version":"v0.155.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.154.0","date":"2026-06-08T23:51:21Z","type":"stable","version":"v0.154.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.153.0","date":"2026-05-25T08:09:17Z","type":"stable","version":"v0.153.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.152.1","date":"2026-05-19T19:53:43Z","type":"stable","version":"v0.152.1"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.152.0","date":"2026-05-11T11:48:19Z","type":"stable","version":"v0.152.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.151.0","date":"2026-04-28T18:57:13Z","type":"stable","version":"v0.151.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.150.0","date":"2026-04-13T11:06:56Z","type":"stable","version":"v0.150.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.149.0","date":"2026-03-31T13:43:22Z","type":"stable","version":"v0.149.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.148.0","date":"2026-03-17T13:42:51Z","type":"stable","version":"v0.148.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.147.0","date":"2026-03-02T15:09:00Z","type":"stable","version":"v0.147.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.146.1","date":"2026-02-18T13:48:23Z","type":"stable","version":"v0.146.1"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.146.0","date":"2026-02-17T21:22:48Z","type":"stable","version":"v0.146.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.145.0","date":"2026-02-02T18:22:47Z","type":"stable","version":"v0.145.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.144.0","date":"2026-01-20T09:41:37Z","type":"stable","version":"v0.144.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.143.0","date":"2026-01-05T20:27:53Z","type":"stable","version":"v0.143.0"},{"url":"https://github.com/open-telemetry/opentelemetry-collector/releases/tag/v0.142.0","date":"2025-12-15T20:48:08Z","type":"stable","version":"v0.142.0"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.scorecard | - | 7.9 |

## Capabilities (Observability Tools)

| Capability | Nagios | OpenTelemetry |
|---|:--:|:--:|
| **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 2026-09-01T14:39:57.143Z. "-" = undocumented, not absent.*