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NextAuth.js (Auth.js) alternatives

4 authentication that you might consider instead of NextAuth.js (Auth.js).

By Bilal AlmukhtarEdited by Sofia DraganovLast updated

Why look for NextAuth.js (Auth.js) alternatives?

Auth.js (formerly NextAuth) is a free open-source authentication library for Next.js and other frameworks.

Depending on your stack, budget, and whether you prefer open-source software, one of the options below may be a better fit.

#1 alternative

Clerk

Authentication and user management

freemiumfrom $25/mo

Clerk provides drop-in authentication, user management, and organizations with pre-built UI components.

Compare NextAuth.js (Auth.js) vs Clerk →Visit Clerk ↗
#2 alternative

Auth0

Identity platform for developers

freemiumfrom $35/mo

Auth0 is an enterprise-grade identity platform offering authentication, authorization, and SSO.

Compare NextAuth.js (Auth.js) vs Auth0 →Visit Auth0 ↗
#3 alternative

WorkOS

Enterprise-ready features with just a few lines of code

paidfrom $125/connection

WorkOS provides SSO, SCIM, audit logs, and directory sync — the B2B enterprise features SaaS apps need.

Compare NextAuth.js (Auth.js) vs WorkOS →Visit WorkOS ↗
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#4 alternative

Better Auth

The most comprehensive authentication library

Open SourcefreeFree

Better Auth is a framework-agnostic, open-source authentication library for TypeScript with built-in plugins.

Compare NextAuth.js (Auth.js) vs Better Auth →Visit Better Auth ↗

Frequently asked questions

What is the best NextAuth.js (Auth.js) alternative in 2026?
It depends on what you valued about NextAuth.js (Auth.js) in the first place. If you want something similar with the broadest ecosystem, Clerk is a common choice. If you want open source, Better Auth is a strong pick.
Are there free alternatives to NextAuth.js (Auth.js)?
Yes. Clerk, Auth0, WorkOS offer a free tier. Limits vary — check the individual tool pages for details.
Are there open-source alternatives to NextAuth.js (Auth.js)?
Yes. Better Auth is open source and can be self-hosted. This means zero vendor lock-in, but you take on operational responsibility.
Why would I switch from NextAuth.js (Auth.js)?
The most common reasons: cost (scaling NextAuth.js (Auth.js) becomes expensive), vendor lock-in (you want portability), feature gaps (another tool does your specific use case better), or compliance (data residency, self-hosting). The alternatives above address one or more of these.
How hard is it to migrate away from NextAuth.js (Auth.js)?
Migration difficulty scales with how much NextAuth.js (Auth.js)-specific surface area you use. A shallow integration is a few hours; a deep one with custom SDKs, webhooks, and proprietary data types can take weeks. Start by listing every NextAuth.js (Auth.js) API or feature your app calls, then map each to the replacement.

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