EU Sovereignty Score
Self-hosted / open sourceData Governance & MDMHeadquarters: US

Apache Knox: sovereignty score and 8 European alternatives

Apache Knox is a REST API and application gateway for the Apache Hadoop ecosystem. It acts as a reverse proxy and gives clients a single access point to Hadoop clusters, hiding the cluster's hosts and ports. Knox supports authentication through LDAP/Active Directory, Kerberos, SAML and OAuth among others, offers single sign-on with KnoxSSO, authorisation using access lists by user, group or IP address, and audit logging. Each protected cluster is described in a topology file. Knox is installed and operated by the user; the project does not offer a SaaS service.

Knox is open source under the Apache License 2.0 and a project of the Apache Software Foundation, a US non-profit (501(c)(3)) run by volunteers. Because no central vendor hosts the software, the user decides where it runs and where data resides, for example on-premises or in a European data centre. The source code is public. European organisations thereby keep control of the access layer, but must take care of installation, updates and security configuration themselves.

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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 4, 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
CategoryData Governance & MDM
TypeProduct
Websiteknox.apache.org ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Apache Knox

The European alternatives to Apache Knox come from our knowledge base of over 6,800 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

18 European Data Governance & MDM 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 Apache Knox

Apache Knox 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 Apache Knox scores best on data residency.

Apache Knox 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 Apache Knox 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 Apache Knox?

It depends on your use case. Strong EU alternatives to Apache Knox include Accutics, BiG EVAL and CluedIn. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Apache Knox?

Yes. Open-source EU alternatives to Apache Knox include Data Contract CLI. These keep your data fully under your own control and let you self-host if you want to.

Is Apache Knox GDPR-compliant and where is the data hosted?

Apache Knox 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 4, 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 Data Governance & MDM

Data Governance & MDM: Data catalogues, lineage, data quality, ownership and master data management. 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 Apache Knox — GDPR-compliant & EU-hosted · EU Sovereignty Score