EU Sovereignty Score
Self-hosted / open sourceNetwork & MonitoringHeadquarters: US

Thanos: sovereignty score and 8 European alternatives

Thanos is an open-source project that extends Prometheus with high availability and long-term storage. It provides a global query view across multiple Prometheus servers and clusters and keeps historical metrics in object storage such as Amazon S3, Google Cloud Storage or Azure. Older data can be downsampled so that queries over long time ranges stay fast. Tools that support the Prometheus query API, such as Grafana, work with it. Thanos consists of components such as Sidecar, Query, Store and Receive, which you run yourself, for instance as containers on Kubernetes. The project itself does not offer a hosted service.

Thanos is licensed under the Apache License 2.0 and is an incubating project of the Cloud Native Computing Foundation. It is developed in the open on GitHub, and no single vendor processes your data. Because you operate Thanos yourself, you choose which object storage and which region to use. A European organisation can therefore keep its metrics inside the EU or in its own data centres, provided the chosen storage service is itself European.

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Sovereignty score
71 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-210
    Headquartered in the US: CLOUD Act and FISA 702
  • Data residency SOV-3100
    EU-only hosting
  • Cryptographic key sovereignty SOV-390
    Self-hostable: encryption keys under your own control
  • Freedom from lock-in SOV-680
    Open source: low switching costs
  • Source & runtime sovereignty SOV-4 · SOV-675
    Source code auditable, forkable and self-hostable

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 9, 2026
HeadquartersUS (US)Verified by hand
EU adequacy decisionOnly for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty modelOpen-source, distributedVerified by hand
Data hostingEUVerified by hand
Open-sourceYesVerified by hand
GDPR-compliantYesVendor-stated
CategoryNetwork & Monitoring
TypeProduct
Websitethanos.io ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Thanos

The European alternatives to Thanos come from our knowledge base of over 6,200 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

41 European Network & Monitoring vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with Thanos

Thanos is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

Data is hosted exclusively in the EU, so Thanos scores best on data residency.

Thanos is open source. You can audit the source code, self-host the software and keep the encryption keys under your own control. Switching is easier because data and software are not tied to a single party.

What this means for your organisation depends on your whole stack and context. The free assessment weighs Thanos together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to Thanos?

It depends on your use case. Strong EU alternatives to Thanos include Centreon, Checkmk and collectd. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Thanos?

Yes. Open-source EU alternatives to Thanos include Centreon, Checkmk, collectd and Healthchecks.io. These keep your data fully under your own control and let you self-host if you want to.

Is Thanos GDPR-compliant and where is the data hosted?

Thanos is headquartered in US and hosts data in EU. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 9, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in Network & Monitoring

Network & Monitoring: Network monitoring, infrastructure monitoring, log management and observability. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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8 European alternatives to Thanos — GDPR-compliant & EU-hosted · EU Sovereignty Score