Auth.js (NextAuth.js)
An open-source authentication toolkit that integrates with any JavaScript framework or runtime
- Also known as
- auth-js-nextauth-js
What is Auth.js (NextAuth.js)?
A suite of open-source authentication packages built on standard web APIs, designed to work with any JavaScript framework and runtime, with support for OAuth, passwordless authentication, and WebAuthn.
Auth.js (NextAuth.js) pricing
We don't have Auth.js (NextAuth.js)'s full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
Free and open source
What Auth.js (NextAuth.js) does
The capabilities that matter for auth & identity software, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Hosting
- Self-hosted only
- Social login
- ✓
- Passwordless
- ✓
- Passkeys / WebAuthn
- ✓
- Multi-factor auth
- -
- SAML SSO
- -
- SCIM provisioning
- -
- B2B / multi-tenancy
- -
- OpenID Connect provider
- -
- Hosted UI
- Headless
- RBAC
- -
- Self-hostable OSS core
- ✓
Platform & deployment
Independently observed- Web
- Self-hosted
Integrations (1)
Independently observed- GitHub
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Auth.js (NextAuth.js) FAQ
Common questions about Auth.js (NextAuth.js), answered from independent, dated evidence.
What is Auth.js (NextAuth.js)?
An open-source authentication solution that integrates with web frameworks to provide OAuth-based authentication with customizable sign-in pages. It is indexed under Auth & Identity Software.
Source: https://authjs.dev
Is Auth.js (NextAuth.js) free to use?
Auth.js (NextAuth.js) is open source, so it can be self-hosted and used at no licence cost. It is released under the ISC licence. Pricing changes often, so verify at source before relying on it.
Source: https://authjs.dev
What platforms does Auth.js (NextAuth.js) support?
We have confirmed browser-based access to Auth.js (NextAuth.js). That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.
Source: https://authjs.dev
Can Auth.js (NextAuth.js) be self-hosted?
Yes. Auth.js (NextAuth.js) can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://authjs.dev
Is Auth.js (NextAuth.js) open source?
Yes. Auth.js (NextAuth.js) is published under the ISC licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Auth.js (NextAuth.js) alternatives
Other auth & identity software we track, ranked by the same independent score.
- Auth0A comprehensive authentication and authorization platform for applications and AI agentsmedium · 73%
- DescopeUnified identity management platform for customers, partners, and AI agentsmedium · 71%
- OryCloud-native identity and access management platform supporting users, AI agents, and machine-to-machine systems with centralized authentication and granular pemedium · 69%
- WorkOSEnterprise-grade identity and access management for applicationsmedium · 71%
- KindeAuthentication service that enhances security, improves user conversion, reduces implementation costs, and deploys quicklymedium · 68%
- ClerkComplete authentication and user management platform for applicationsmedium · 72%
Compare Auth.js (NextAuth.js)
Side by side against other auth & identity software, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Auth.js (NextAuth.js), not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Package downloads | 85 | 0.14 | 11.6 | ✓ |
| Capabilities | 67 | 0.06 | 4.2 | ✓ |
| Dependent projects | 64 | 0.06 | 4.0 | ✓ |
| Security score | 60 | 0.04 | 2.5 | ✓ |
| Stars | 84 | 0.03 | 2.2 | ✓ |
| Integrations | 9 | 0.06 | 0.5 | ✓ |
| Development activity | 0 | 0.09 | 0.0 | ✓ |
| Release cadence | 0 | 0.05 | 0.0 | - |
| Security posture | 5 | 0.21 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 0 | mediumsource · 2026-09-10 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 5 items | mediumsource · 2026-09-10 · 68% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Hosting: self · Hosted ui: headless · Open source: Yes · Passwordless: Yes · Social login: Yes · Passkeys webauthn: Yes | mediumsource · 2026-09-14 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 1 | mediumsource · 2026-08-14 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | TypeScript | highsource · 2026-09-10 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | ISC | highsource · 2026-09-10 · 99% |
Pricing
Release
| Attribute | Value | Evidence |
|---|---|---|
| History | 20 items | mediumsource · 2026-09-10 · 70% |
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Status page | Yes | mediumsource · 2026-08-05 · 60% |
Security
| Attribute | Value | Evidence |
|---|---|---|
| Disclosure policy | Yes | mediumsource · 2026-08-05 · 60% |
| Scorecard | 6 | highsource · 2026-09-10 · 90% |
| Vulnerabilities | Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40next-auth%2Fprisma-adapter&per_page=100 · Last 12m: 0 | highsource · 2026-08-26 · 90% |
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