EU Sovereignty Score
Non-EU vendorMaps & NavigationHeadquarters: US

Cesium: sovereignty score and 8 European alternatives

Cesium is a platform for building 3D geospatial applications. It combines CesiumJS, an open-source JavaScript library for rendering globes and maps, with Cesium ion, a hosted service for preparing, tiling and streaming 3D content such as terrain, imagery and city models. Developers embed the library in their own web applications, while ion is used as a cloud service.

Cesium operates as Cesium GS, Inc., with an address in Philadelphia, and was acquired by Bentley Systems, a US company, in September 2024, so headquarters and owner are both in the United States. Its privacy policy states that cesium.com is hosted in the United States and that personal information may be processed there; it also contains a section on EU rights under the GDPR. Because CesiumJS can run entirely inside your own applications and infrastructure, European organisations can limit exposure to the vendor's cloud, but any use of Cesium ion places content in a US-operated service. The licence of the commercial parts is separate from the open-source library.

See the 8 European alternatives ↓Assess your stack with Cesium pre-selected
MastodonLinkedInBlueskyXEmail
Sovereignty score
17 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-210
    Headquartered in the US: CLOUD Act and FISA 702
  • Data residency SOV-30
    No hosting in Europe (US)
  • 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 13, 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
USVerified by hand
Open-source
NoVerified by hand
GDPR-compliant
YesVendor-stated
Category
Maps & Navigation
Type
Product
Website
cesium.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Cesium

The European alternatives to Cesium come from our knowledge base of over 8,000 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

45 European Maps & Navigation vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

Is Cesium one of many dependencies?

Score your whole stack in about three minutes. Free, no account needed.

Assess your stack →View a sample report (opens in a new tab)

Why digital sovereignty matters with Cesium

Cesium 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.

Cesium hosts data outside the EU (US). Personal data therefore leaves the EU, which requires a transfer mechanism under the GDPR and pulls the data residency score down.

Cesium 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 Cesium 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 Cesium?

It depends on your use case. Strong EU alternatives to Cesium include Bikemap, BRouter and calimoto. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Cesium?

Yes. Open-source EU alternatives to Cesium include BRouter, Digitransit and GraphHopper. These keep your data fully under your own control and let you self-host if you want to.

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

Cesium is headquartered in US and hosts data in US. 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 13, 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 Maps & Navigation

Maps & Navigation: Maps, route planning and navigation services. 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.

Also in this category

See all →
Open in the alternatives dashboardMissing a vendor? Submit itAre you this vendor? You can also become a sponsor on the Maps & Navigation page — with no effect on your score
8 European alternatives to Cesium — GDPR-compliant & EU-hosted · EU Sovereignty Score