Clerk | Authentication and User Management

Mar 20, 2026
clerk.com

https://clerk.com/

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  • Provides a complete suite of prebuilt UI components and SDKs (React, Next.js, Expo) to integrate authentication and user management in minutes.
  • Supports advanced features like multi-tenant organization management, role-based access control (RBAC), and enterprise SSO connections.
  • Handles the full session lifecycle, including active device monitoring, session revocation, and multi-factor authentication (MFA).
  • Offers a usage-based pricing model with a generous free tier (Hobby plan) that supports up to 50,000 monthly active users and unlimited applications.

Entities: Clerk, Google, Slack, Linear, Vercel, GitHub, Sentry, Salesforce, Brian Morrison II