EU sovereignEducation & LMSHeadquarters: DE

Sdui: sovereignty score and 8 European alternatives

Sdui is a school software platform from Germany, built around the Sdui App for schools and childcare facilities. The app combines messaging, video, calendars and timetables with administrative tools for official letters, room and resource planning, absence reporting and all-day care administration. A digital grade book and lesson planner complete the range. The products are used by school staff, pupils and parents.

The operating company, Sdui GmbH, is based in Koblenz, Germany. The group describes its services as GDPR-compliant, but the vendor's public pages do not state where customer data is hosted. A press release on a financing round names Summiteer and HV Capital as lead investors and does not disclose a majority shareholder. FoxEducation, which runs the school communication app SchoolFox, has been part of the Sdui group since July 2024. For a European organisation, the hosting location and the ownership structure are the points to check.

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Sovereignty score

71 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-2100
Headquartered in the EU: European law applies
Data residency SOV-3100
EU-only hosting
Cryptographic key sovereignty SOV-360
Key management with a European vendor
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-655
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 11, 2026

Headquarters	DE (EU)Verified by hand
Sovereignty model	Vendor-hosted (EU)Verified by hand
Data hosting	EUVerified by hand
Open-source	NoVerified by hand
GDPR-compliant	YesVendor-stated
Category	Education & LMS
Type	Product
Website	sdui.de ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Sdui

The European alternatives to Sdui 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

52 European Education & LMS 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 Sdui

Sdui is headquartered in DE and therefore falls under European law: the GDPR, NIS2 and the Data Act. No foreign legislation can compel access to your data.

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

Sdui 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 Sdui 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 Sdui?

It depends on your use case. Strong EU alternatives to Sdui include Anton, Chamilo and Classlife. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Sdui?

Yes. Open-source EU alternatives to Sdui include Chamilo, Forma LMS and H5P. These keep your data fully under your own control and let you self-host if you want to.

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

Sdui is headquartered in DE (EU) and hosts data in EU. That makes Sdui an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.

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 11, 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 Education & LMS

Education & LMS: Learning platforms, learning management systems and educational software. 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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