1
Clerk
Drop-in auth with polished React components, organizations, and SSO.
Pros
- +Best pre-built UI
- +Strong B2B/orgs support
- +Great Next.js DX
Cons
- -Per-MAU pricing
- -Hosted-only
Best Auth Providers
Auth providers handle sign-in, session management, and user data so you do not roll your own. The right one depends on whether you want pre-built UI, deep customization, or to keep auth alongside your database.
2
Auth0
Enterprise-grade auth platform now owned by Okta.
Pros
- +Mature enterprise features
- +Huge integration list
- +Strong SSO/SAML
Cons
- -Expensive at scale
- -Setup complexity
3
Supabase Auth
Open-source auth bundled with the Supabase Postgres platform.
Pros
- +Free with Supabase
- +Row-level security tie-in
- +Self-hostable
Cons
- -Less polished UI than Clerk
- -Tied to Supabase stack
4
Better Auth
Framework-agnostic TypeScript auth library you own end-to-end.
Pros
- +Own your data
- +TS-first DX
- +Plugins for orgs, 2FA, etc.
Cons
- -You operate it
- -Younger ecosystem
5
Stytch
API-first auth platform with strong passwordless and B2B SaaS support.
Pros
- +Excellent passwordless flows
- +B2B SaaS primitives
- +Clean SDKs
Cons
- -Less name recognition
- -Bring your own UI
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