Non-EU vendorDatabase & Data ManagementHeadquarters: US

ScyllaDB: sovereignty score and 8 European alternatives

ScyllaDB is a NoSQL database for data-intensive applications that need high throughput and predictably low latency, such as feature stores and vector search. It is compatible with Apache Cassandra and, through ScyllaDB Alternator, offers a DynamoDB-compatible API. A managed cloud service, ScyllaDB Cloud, runs on AWS and Google Cloud and can also be deployed in your own cloud account (BYOA). You can also operate ScyllaDB yourself, including on Kubernetes with the ScyllaDB Operator.

ScyllaDB Inc. grew out of Cloudius Systems and has locations in Israel and the United States; sources differ on which counts as its headquarters. Since December 2024 the actively developed version is no longer open source under the AGPL but source-available under the ScyllaDB Software License Agreement. The source code remains viewable, but the free tier is limited to 10 TB of disk and 50 vCPUs per organisation. Version 6.2 and earlier remain available under the AGPL. Self-hosting gives you control over data location, but the licence terms are set by the vendor.

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Sovereignty score

27 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-210
Headquartered in the US: CLOUD Act and FISA 702
Data residency SOV-350
Hosting inside and outside Europe (US, EU)
Cryptographic key sovereignty SOV-320
Key management with a non-European vendor
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-615
Closed source, runtime with the vendor

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 6, 2026

Headquarters	US (US)Verified by hand
EU adequacy decision	Only for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty model	Vendor-hosted (non-EU)Verified by hand
Data hosting	US, EUVerified by hand
Open-source	NoVerified by hand
GDPR-compliant	YesVendor-stated
Category	Database & Data Management
Type	Product
Website	scylladb.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to ScyllaDB

The European alternatives to ScyllaDB 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

13 European Database & Data Management 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 ScyllaDB

ScyllaDB 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.

ScyllaDB hosts data in US, EU. Exactly what stays within the EU — and what does not — is defined by the vendor's data processing agreement and sub-processor list, not by a setting you control yourself; check those documents for the precise scope, including backups, logs and support access.

ScyllaDB is closed source and hosted by the vendor. The encryption keys and the runtime sit with the vendor and switching requires data migration. Ask about bring-your-own-key, export options and open standards.

What this means for your organisation depends on your whole stack and context. The free assessment weighs ScyllaDB 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 ScyllaDB?

It depends on your use case. Strong EU alternatives to ScyllaDB include Aiven, ArangoDB and DuckDB. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to ScyllaDB?

Yes. Open-source EU alternatives to ScyllaDB include DuckDB, Elastic, Firebird SQL, MariaDB and Meilisearch. These keep your data fully under your own control and let you self-host if you want to.

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

ScyllaDB is headquartered in US and hosts data in US, 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 6, 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 Database & Data Management

Database & Data Management: Database systems, data warehousing, managed database services and data platforms. 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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