If you're looking for another Clerk alternative, Auth0 is a good option. It's got access control with features like Universal Login, Single Sign On, Multifactor Authentication and customizable Actions. With more than 30 SDKs and Quickstarts, it's easy to integrate with many programming languages and frameworks, and it's good for managing customer identities in many different industries. Auth0 also offers a free plan so you can try it out before moving to a paid plan.
Another good option is PropelAuth, an authentication and authorization service that's designed to get companies up and running fast. It's got features like organizations with self-service UIs, SAML support, customizable roles and permissions, and advanced security options like custom session lengths and MFA enforcement. PropelAuth has a clear pricing model, so you can easily pick the right plan for your needs.
LoginRadius is another option. It's a user identity management platform with features like streamlined authentication, SSO and cloud-based directory services. It supports advanced login options like social login and passwordless login, and it's good for many different industries. With a cloud-native architecture, it's flexible for deployment and scalable, so you can count on it to meet your user identity management needs.
If you're a fan of passwordless authentication, MojoAuth offers a secure and easy login experience for web and mobile apps. It eliminates the vulnerabilities of passwords, so it's better for users and better for security. MojoAuth is good for many different industries, and its APIs are designed to be easy for developers to use to manage user identities, so it's a good option for passwordless authentication.