# Nagios vs Thanos

| Attribute | Nagios | Thanos |
|---|---|---|
| **vioscaleAI score** | 59.8 (21% (low)) | 59.4 (52% (medium)) |
| activity.commits_last_30d | - | 52 |
| adoption.dependent_repos | - | 1,266 |
| adoption.github_stars | - | 14,234 |
| content.faq | `[{"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}]` | `[{"answer":"CNCF Incubating project extending Prometheus with global query view across multiple servers, unlimited retention via object storage, and downsampling capabilities. It is indexed under Observability Tools.","source":"https://thanos.io","question":"What is Thanos?","confidence":0.6},{"answer":"Thanos is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://thanos.io","question":"Is Thanos free to use?","confidence":0.6},{"answer":"Thanos supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://thanos.io","question":"What platforms does Thanos support?","confidence":0.6},{"answer":"Yes. Thanos can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://thanos.io","question":"Can Thanos be self-hosted?","confidence":0.6},{"answer":"We have confirmed 8 integrations for Thanos, including Prometheus, Grafana, OpenTSDB, S3, GCP, Azure, Swift and Tencent COS. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://thanos.io","question":"What does Thanos integrate with?","confidence":0.6},{"answer":"Yes. Thanos is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/thanos-io/thanos","question":"Is Thanos open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source platform for monitoring servers, networks, applications, and cloud infrastructure using active polling, with log analysis and visualization capabilities. | 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,"synthetic_active_monitoring":true}` | `{"apm":false,"logs":false,"hosting":"self","metrics":true,"tracing":true,"alerting":true,"dashboards":true,"otel_native":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"},{"name":"Alertmanager","native":true,"category":"alerting"}]` |
| 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":"hybrid","freeTier":true,"sourceUrl":"https://www.nagios.org","retrievedAt":"2026-10-06T11:28:57.917Z","freeTrialDays":30}` | `{"type":"open_source","sourceUrl":"https://thanos.io","retrievedAt":"2026-08-13T17:01:37.783Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | 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 | - | 8.3 |
| 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: vioscaleAI. Generated 2026-10-16T20:50:08.322Z. "-" = undocumented, not absent.*