European alternatives to Zotero

A free, open-source reference manager for collecting, organising and citing research, run by a non-profit. The software is open and your library can be self-hosted or kept locally, a genuinely privacy-respecting model.

Company information about Zotero
Company
Corporation for Digital Scholarship
Headquarters
Fairfax, United States
Founded
2006
Data jurisdiction
United States
Ownership
Non-profit
GDPR
No
Open source
Full
Infrastructure
Mixed infrastructure

Why people switch away from Zotero

Subject to US CLOUD ActNot covered by GDPR

European alternatives to Zotero

1
Top Pick

Switzerland 51 · Mixed Origins

A long-established reference-management and knowledge-organisation tool popular in German-speaking academia, developed in Switzerland. Now owned by US firm Lumivero.

Freemium · from Free tier available Free tier Mixed infrastructure Part of Lumivero EFTA

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Start somewhere.

Switching everything overnight is not realistic. Start where it matters most: your email, your cloud storage, your business tools. Replace one thing at a time.

The European Alternative already exists.
Pick Europe.

Why avoid United States-owned services?

CLOUD Act

Forces US companies to hand over data stored anywhere in the world upon government request, including data on European servers.

FISA Section 702

Authorises mass surveillance of non-US persons using data held by US tech platforms, without a warrant or notification.

GDPR vs US law conflict

EU courts have repeatedly found that US surveillance law conflicts with European fundamental rights. Schrems I and II both invalidated EU-US data transfer agreements.

Here are alternatives for services from United States →