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Expert Picks 2026

Best Authentication Alternatives

Top European alternatives to US authentication, ranked by privacy, features, and user satisfaction. All GDPR-compliant with EU data hosting.

3 EU alternatives ranked100% GDPR compliant
#1
KeycloakRecommendedTop Pick

Keycloak is an open-source identity and access management solution developed in Europe. It provides features such as single sign-on (SSO), user federation, identity brokering, and social login. Keycloak enables secure authentication and authorization for applications, enhancing user management and security protocols. Visit keycloak.org for more information.

Based in EUReplaces 2 US products
#2

Zitadel is an open-source identity and access management platform developed by the European company Zitadel. It provides developers with tools for user authentication, authorization, and secure data management. The platform supports various protocols and integrates easily with existing applications, ensuring a streamlined user experience.

Based in CHReplaces 2 US products
#3

Authentik is an open-source identity provider designed for user authentication and authorization. Developed by a European company, it supports various protocols including OAuth2 and SAML, enabling secure access management for applications. Authentik offers a customizable user interface and integrates easily with existing systems.

Based in DEReplaces 2 US products

Replace Popular US Authentication

Looking to switch from a specific US product? Find the best EU alternative:

Frequently Asked Questions

What are the best European alternatives for authentication?

The top EU alternatives for authentication include Keycloak, Zitadel, Authentik. These are GDPR-compliant, privacy-focused options that store your data in European data centers.

Why choose EU authentication over US options?

EU authentication offer better data protection under GDPR, keep your data in European data centers, and are not subject to US surveillance laws like the CLOUD Act. They often provide comparable features with stronger privacy guarantees.

Are EU authentication as good as US alternatives?

Yes, many EU authentication offer features comparable to or better than their US counterparts. European tech companies often focus on privacy and security as key differentiators, while maintaining excellent functionality.

How do I migrate from US authentication to EU alternatives?

We provide detailed migration guides for switching from popular US services to European alternatives. Most migrations involve exporting your data from the US service and importing it into your chosen EU alternative.

Need Help Choosing?

Compare any two products side-by-side or browse our migration guides for step-by-step switching instructions.