# Nagios vs Thanos

| Attribute | Nagios | Thanos |
|---|---|---|
| **Vioscale score** | 100 (17% (low)) | 57.3 (54% (medium)) |
| activity.commits_last_30d | - | 51 |
| adoption.dependent_repos | - | 1,266 |
| adoption.github_stars | - | 14,188 |
| deployment.options | `{"on_prem":true,"self_hosted":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. | CNCF Incubating project extending Prometheus with global query view across multiple servers, unlimited retention via object storage, and downsampling capabilities. |
| 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}` | `{"hosting":"self","metrics":true,"dashboards":true}` |
| integrations.count | 4,000 | 8 |
| 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":"Prometheus"},{"name":"Grafana"},{"name":"OpenTSDB"},{"name":"S3"},{"name":"GCP"},{"name":"Azure"},{"name":"Swift"},{"name":"Tencent COS"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.nagios.org","retrievedAt":"2026-08-16T21:32:30.252Z"}` | `{"type":"open_source","sourceUrl":"https://thanos.io","retrievedAt":"2026-08-13T17:01:37.783Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.cadence_days | - | 6 |
| release.history | - | `[{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.42.4","date":"2026-07-30T14:33:20Z","type":"stable","version":"v0.42.4"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.42.3","date":"2026-07-29T10:49:11Z","type":"stable","version":"v0.42.3"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.42.2","date":"2026-07-17T06:51:06Z","type":"stable","version":"v0.42.2"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.42.1","date":"2026-07-16T19:45:28Z","type":"stable","version":"v0.42.1"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.42.0","date":"2026-07-08T14:44:35Z","type":"stable","version":"v0.42.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.42.0-rc.2","date":"2026-06-30T13:06:27Z","type":"prerelease","version":"v0.42.0-rc.2"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.42.0-rc.1","date":"2026-06-25T07:16:42Z","type":"prerelease","version":"v0.42.0-rc.1"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.41.0","date":"2026-02-12T10:32:11Z","type":"stable","version":"v0.41.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.41.0-rc.1","date":"2026-02-11T10:41:41Z","type":"prerelease","version":"v0.41.0-rc.1"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.41.0-rc.0","date":"2026-02-09T14:03:57Z","type":"prerelease","version":"v0.41.0-rc.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.40.1","date":"2025-10-28T18:13:01Z","type":"stable","version":"v0.40.1"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.40.0","date":"2025-10-27T11:24:31Z","type":"stable","version":"v0.40.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.40.0-rc.0","date":"2025-10-21T13:02:52Z","type":"prerelease","version":"v0.40.0-rc.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.39.2","date":"2025-07-21T06:51:58Z","type":"stable","version":"v0.39.2"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.39.1","date":"2025-07-01T13:03:18Z","type":"stable","version":"v0.39.1"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.39.0","date":"2025-06-25T11:54:06Z","type":"stable","version":"v0.39.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.39.0-rc.0","date":"2025-06-20T04:45:58Z","type":"prerelease","version":"v0.39.0-rc.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.38.0","date":"2025-04-03T12:14:15Z","type":"stable","version":"v0.38.0"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.38.0-rc.1","date":"2025-04-01T07:07:33Z","type":"prerelease","version":"v0.38.0-rc.1"},{"url":"https://github.com/thanos-io/thanos/releases/tag/v0.38.0-rc.0","date":"2025-03-25T14:05:25Z","type":"prerelease","version":"v0.38.0-rc.0"}]` |
| security.scorecard | - | 8 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fthanos-io%2Fthanos&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Observability Tools)

| Capability | Nagios | Thanos |
|---|:--:|:--:|
| **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 | Self-hosted only |

*Source: Vioscale. Generated 2026-09-01T16:40:12.406Z. "-" = undocumented, not absent.*