European Auth0 Alternatives

Hanko is a privacy-first, open source authentication platform built in Germany that puts developers in complete control of their authentication stack. Unlike traditional auth providers, Hanko offers seamless migration between self-hosted and cloud deployments with zero vendor lock-in.

Key features include:

• Passkey-first authentication with FIDO2 certification for phishing-resistant security
• Flexible authentication methods: passwords, 2FA, SSO, OAuth, and passcodes
• Hanko Elements: Framework-agnostic web components for instant integration
• GDPR compliance by design with data minimalism principles
• Complete API control for custom frontend and mobile implementations

The platform supports multiple authentication flows - from passwordless-only setups to traditional password systems, social logins, or hybrid approaches. Hanko Elements provide drop-in UI components that work with any web framework, featuring customizable styling to match your brand.

Trusted by 10,000+ developers, Hanko offers both a complete authentication solution and a standalone Passkey API for adding WebAuthn support to existing systems. Built with European privacy standards, hosted in Europe, and designed for developers who refuse to compromise on security or data ownership.

ZITADEL offers a simplified identity infrastructure specifically designed for developers. It provides robust and secure authentication management for your applications, allowing you to customize features as your user base grows, thanks to its easy-to-use APIs and programmable workflows. Being both serverless and open source, it grants you significant flexibility in deployment – host it on your own infrastructure or utilize their managed services.

Key benefits that make identity management straightforward:

• Comprehensive Identity Suite: Effectively manages various user types, including consumers (B2C), businesses (B2B), and internal employees.
• Versatile Authentication Options: Provides a customizable hosted login page, supports modern methods like Single Sign-On (SSO) and Social Logins through prebuilt templates, and allows you to build a completely custom login UI using its APIs.
• Enhanced Account Security: Enforce strong security measures such as Multifactor Authentication (MFA) and leverage Passkeys for a more secure and user-friendly authentication experience.
• Granular Authorization Control: Implement fine-grained Role-Based Access Control (RBAC) and benefit from its core multi-tenancy architecture, ideal for B2B applications.
• Exceptional Extensibility: Seamlessly adapt the platform to your existing workflows, user management processes, and corporate branding guidelines. Utilize ZITADEL Actions to trigger custom workflows based on predefined events, all without needing to deploy and manage your own code.
• Developer-Centric Design: Built from the ground up for developers, offering an adaptable identity infrastructure with options for custom code extensions and strong, reliable security defaults, all supported by an active and growing community.