ZITADEL Alternatives

Open Source Identity and Access Management for modern Applications and Services.

Open Source

Auth0 is a program for people to get authentication and authorization services for their own business use.

Open Source

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

Looking for a hassle-free authentication solution? Engity is your GDPR-compliant, European, fully scalable, managed & flexibly customizable Identity & Access Management Provider.

paid €0.01 / Monthly (per User)

Enterprise-grade identity management for all your apps, users & devices

Developer-first Access Management

Open Source

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

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

authentik is an open-source identity provider focused on flexibility and versatility.

Open Source

FusionAuth is a CIAM platform that is 100% free for unlimited users.

Open Source freemium

Open Source User Authentication - An Alternative to Auth0 / Firebase Auth / AWS Cognito

Open Source freemium

Azure Active Directory is a comprehensive identity and access management cloud solution that provides a robust set of capabilities to manage users and groups and help secure access to applications including Microsoft online services like Office 365 …

We learnt from our dev community that the identity service has been such a time-consuming and complex task for them in the past, which is why we’ve simplified the experience.

Open Source

Fullstack Authorization as a Service for cloud native applications

Open Source