Self-hosted / open sourceCAD & EngineeringHeadquarters: DE

ModuleWorks: sovereignty score and 8 European alternatives

ModuleWorks GmbH, based in Aachen, Germany, develops software components for toolpath generation, machining simulation and related CNC functions. CAM vendors and machine tool builders integrate them into their own products. The portfolio covers 3-, 4- and 5-axis machining, turning, adaptive roughing, cutting and machine simulation, collision avoidance, a post-processor framework and a mesh toolkit. Customers receive the components as software libraries and build them into their own applications. The company also serves additive manufacturing, robotics and digital dentistry.

Because ModuleWorks supplies components rather than a stand-alone end-user application, the sovereignty question for a European user mainly concerns the CAM or CNC application that embeds the library, and the components run on the customer's own infrastructure. The privacy policy names ModuleWorks GmbH as controller. It states that some web services store personal data on a server of an external provider in the European Union, while certain third-party services transmit data to the USA. The policy does not describe the processing of licensee data, which should be settled in the licence and processing agreements with the vendor.

See the 8 European alternatives ↓Assess your stack with ModuleWorks pre-selected

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Sovereignty score

80 / 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-380
Closed source, but self-hostable: encryption keys and runtime under your own control
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-680
Closed source, but self-hostable on your own infrastructure

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 12, 2026

Headquarters	DE (EU)Verified by hand
Data hosting	Self-hosted, e.g. in EU (your choice)Verified by hand
Open-source	NoVerified by hand
GDPR-compliant	YesVendor-stated
Category	CAD & Engineering
Type	Product
Website	moduleworks.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to ModuleWorks

The European alternatives to ModuleWorks 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

88 European CAD & Engineering 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 ModuleWorks

ModuleWorks 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.

ModuleWorks runs on infrastructure you choose and control yourself. You decide where the data lives, including fully within the EU if you want — this is not a fixed hosting choice made by the vendor.

ModuleWorks is closed source, but you run the software yourself on your own infrastructure. The encryption keys and the runtime therefore stay under your own control, though you cannot audit or modify the source code. Ask about export options and open standards to limit software-level lock-in.

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

It depends on your use case. Strong EU alternatives to ModuleWorks include ACCA software, ALLPLAN and AUCOTEC Engineering Base. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to ModuleWorks?

Yes. Open-source EU alternatives to ModuleWorks include Blender. These keep your data fully under your own control and let you self-host if you want to.

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

ModuleWorks is headquartered in DE (EU) and hosts data in EU. That makes ModuleWorks 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 12, 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 CAD & Engineering

CAD & Engineering: Computer-aided design, 3D modelling and engineering simulation 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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