#1 in Authentication Free tier From $25/mo (Pro)
Clerk
Drop-in authentication with beautiful pre-built UI.
Try Clerk free →
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About Clerk
Modern auth platform with pre-built components, social logins, MFA, and organizations. Best-in-class developer experience.
Features
MAU 10k (free)
SSO Connections 5 (free)
Pre-built UI Yes (React, Next.js, etc.)
Social Logins Unlimited (free)
MFA Yes (TOTP, SMS)
Organizations Yes (paid)
Webhooks Yes
Open Source No (managed)
Free tier limits
10,000 MAU, 5 SSO connections, 2FA, social logins