Clerk

The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and “The Modern Web”.

Authentication & Authorization

Free for dev

Yes

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Aserto provides cloud-native authorization as a service for developers. Add fine-grained RBAC, ABAC, or ACL to your application in under a day.

Rapidly integrate authentication and authorization for web, mobile, and legacy applications so you can focus on your core business.