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C

Clerk

Ready-to-use authentication

Last verified: 1 October 2026

Clerk provides full-stack authentication and user management with organizations, billing, waitlist and prebuilt UI components. SDKs exist for many frontend and backend frameworks.

Services
  • Authentication and user management
  • Organizations (team accounts)
  • Billing and subscriptions
  • UI components
  • MFA, bot protection, password policies
Sources