VibeFoundry logoVibeFoundry

Best Auth.js Alternatives (2026)

Auth.js is a open-source auth tool (auth library). Framework-agnostic auth library formerly NextAuth.js supporting 80+ providers. We found 12 alternatives worth considering.

Quick verdict

Why look for Auth.js alternatives?

  • Feature gaps — while Auth.js is free, paid alternatives may offer more polish or support.
  • Workflow fit — every team is different; the best tool depends on your stack and preferences.

Top 12 Alternatives to Auth.js

Lucia logo
Luciaopen-source

Lightweight session-based auth library for TypeScript with zero dependencies

Both Auth Library auth toolsShared: auth, auth library
Compare side-by-sideVisit site
SuperTokens logo
SuperTokensopen-source

Open-source auth with self-host option pre-built login UI and session management

Both in AuthShared: auth
Compare side-by-sideVisit site
Clerk logo
Clerkfree

Drop-in authentication with pre-built UI components optimized for React and Next.js

Both in AuthShared: auth
Compare side-by-sideVisit site
Supabase Auth logo
Supabase Authfree

PostgreSQL-native auth with row-level security and social/email/phone login

Both in AuthShared: auth
Compare side-by-sideVisit site
Firebase Auth logo
Firebase Authfree

Google auth service with email phone social and anonymous sign-in methods

Both in AuthShared: auth
Compare side-by-sideVisit site
Kinde logo
Kindefree

All-in-one auth with built-in orgs RBAC feature flags and billing hooks for SaaS

Both in AuthShared: auth
Compare side-by-sideVisit site
WorkOS logo
WorkOSfree

Enterprise-grade auth with SSO SCIM MFA and AuthKit UI components

Both in AuthShared: auth
Compare side-by-sideVisit site
React Email logo
React Emailopen-source

Build emails using React components with previews compatible with any email provider

Shared: ide
Compare side-by-sideVisit site
avante.nvim logo
avante.nvimopen-source

Neovim plugin emulating Cursor AI IDE behavior with AI-driven suggestions

Shared: ide
Compare side-by-sideVisit site
ValidatorAI logo
ValidatorAIfree

AI startup idea validator used by 200K+ people

Shared: ide
Compare side-by-sideVisit site
Netlify logo
Netlifyfree

Git-based deployment with global CDN edge functions forms and identity

Shared: ide
Compare side-by-sideVisit site
BetterStack logo
BetterStackfree

Uptime monitoring incident management and log aggregation in one platform

Shared: ide
Compare side-by-sideVisit site

Alternatives by type

Auth Provider alternatives

SuperTokens logo
SuperTokens
Clerk logo
Clerk
Supabase Auth logo
Supabase Auth
Firebase Auth logo
Firebase Auth
Kinde logo
Kinde
WorkOS logo
WorkOS

Email Library alternatives

React Email logo
React Email

IDE Plugin alternatives

avante.nvim logo
avante.nvim

Web-Based alternatives

ValidatorAI logo
ValidatorAI

Frontend Hosting alternatives

Netlify logo
Netlify

Observability alternatives

BetterStack logo
BetterStack

Frequently asked questions

What are the best alternatives to Auth.js?
The top alternatives to Auth.js include Lucia, SuperTokens, Clerk. All are auth tools that support auth library workflows.
Is there a free alternative to Auth.js?
Yes. Lucia is open source and free to use. Lightweight session-based auth library for TypeScript with zero dependencies
Is Lucia better than Auth.js?
Lucia and Auth.js serve similar purposes as auth tools. Lucia: Lightweight session-based auth library for TypeScript with zero dependencies Auth.js: Framework-agnostic auth library formerly NextAuth.js supporting 80+ providers The best choice depends on your workflow and requirements.
How many alternatives to Auth.js are there?
We track 12 alternatives to Auth.js across categories including Auth, Email, AI Assistant.

Related alternatives pages

Alternatives to ClerkAlternatives to Supabase AuthAlternatives to Firebase AuthAlternatives to KindeAlternatives to WorkOSAlternatives to LuciaAlternatives to SuperTokens

Not sure which to pick?

Describe what you want to build and get a recommended tool stack.

Generate build plan