C
Clerk
Drop-in authentication and user management
freemiumFrom $25/moauthuser-managementnext.jsreact
Overview
Clerk provides embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage users. Supports social login, MFA, organizations, and user profiles out of the box.
Key Features
- ✓Pre-built UI components
- ✓Social login (Google, GitHub, etc.)
- ✓Multi-factor authentication
- ✓Organizations & roles
- ✓Webhooks
- ✓Next.js / React SDK
Pros
- +Beautiful pre-built components
- +Generous free tier (10K MAU)
- +Excellent Next.js integration
Cons
- −Vendor lock-in
- −Can get expensive at scale
- −Limited customization on free plan
Alternatives to Clerk
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Supabase Auth
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N
NextAuth.js (Auth.js)
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authnext.jsopen-source
L
Lucia
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A
Auth0
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