Top Alternatives to ZITADEL in 2026

Amazon Cognito

★ 1.0

Amazon Cognito lets you add user sign-up/sign-in and access control to your web and mobile apps quickly and easily. Cognito scales to millions of users, and supports sign-in with social identity providers such as FB, Google, and Amazon, and SAML 2.0.

Aserto

★ 1.8

Aserto is an application authorization as a service. It helps developers add real-time resource-level access controls to their applications. SDKs and quickstarts for every popular languages are available to help you get up and running quickly.

AWS Identity and Access Management

★ 1.8

With AWS Identity and Access Management (IAM), you can specify who or what can access services and resources in AWS, centrally manage fine-grained permissions, and analyze access to refine permissions across AWS.

Cloud-IAM

Cloud-IAM is an open source SaaS based on Keycloak to provide an Identity and Access Management as a Service. Perfectly configured and optimized Keycloak IAM, ready in seconds. Keycloak without the pain.

Hanko

Hanko is an open source authentication and user management solution that takes you on the journey beyond passwords. For better security, higher conversion rates, and happier users.

Kno

★ 2.1

Kno is an API for providing secure passwordless authentication for your web application. Kno offers web-based, one click access

Login-Master

★ 2.9

With the extensions of Keycloak+, enterprise requirements are fullfilled like: Delegated Administration, management of permissions in organizational structures, SCIM 2 provisioning, User Life Cycle / Housekeeping, GDPR/data protection/Audit and many more IAM features, for...

MojoAuth

★ 2.6

MojoAuth is the safest passwordless authentication solution that enables your users to login seamlessly with an email OTP or magic link or WebAuthn, which in turn provides stronger security to your business.

Okta

Okta's Workforce and Customer Identity Clouds enable secure access, authentication, and automation—putting identity at the heart of business security and growth.

Ory

★ 1.8

Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.

Stack Auth

★ 2.4

Stack is an open-source, self-hostable, and highly customizable authentication and user management system.