Clerk is more than a "sign-in box." Integrate complete user management UIs and APIs, purpose-built for React, Next.js, and the Modern Web.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)

MojoAuth is described as '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' and is an app. There are more than 25 alternatives to MojoAuth for a variety of platforms, including Web-based, Self-Hosted, SaaS, Docker and Linux apps. The best MojoAuth alternative is VoidAuth, which is both free and Open Source. Other great apps like MojoAuth are Keycloak, authentik, Authelia and ZITADEL .
Clerk is more than a "sign-in box." Integrate complete user management UIs and APIs, purpose-built for React, Next.js, and the Modern Web.

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.

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



Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway.app | Heroku in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box.


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.

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.
OneLogin is a cloud-based IAM solution providing users secure access to cloud applications from any device.
OpenAM provides open source authentication, authorization, entitlement and federation software. Through OpenAM, the community actively continues development of OpenSSO.
Everything you need to launch faster, in one platform. Powerful infrastructure for auth, user management, feature flags and billing. We’re reinventing the way software companies get started, so you can focus on what really matters, building your core product.




Corbado is the passkey intelligence platform for enterprise CIAM teams. See why passkey adoption is flat, what's breaking logins, and how to scale passkeys to millions.



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

