Best Auth Tools 2026

48 auth tools reviewed and ranked by the fewertools Stack Score. Same formula for every tool. No paid placements.

See the formula →
48
Tools ranked
0
Top Picks
12
Recommended
64
Avg score
👑 2026 Auth Leader
Supabase Auth Recommended 79/100

Pick by what matters to you

🏆 Best overall
Supabase Auth
87/100
Free auth that comes with Supabase.
Highest Best Score in Auth
💸 Best value
Clerk
86/100
Drop-in auth with beautiful components.
Best score relative to what you pay
🆓 Best free option
Firebase Auth
79/100
Google's auth service.
Top free or open-source pick
🔄 Best alternative
WorkOS
83/100
Enterprise SSO and directory sync.
Closest credible challenger

How this category looks in 2026

This is the 48-tool auth field as fewertools sees it in 2026. We've published editorial verdicts on every entry below and weighted them with two layers of public data: ownership stability (where the company sits in its lifecycle) and pricing trajectory (whether costs are creeping up, holding steady, or being cut). The full methodology is at how we rank.

Supabase Auth currently leads with a Stack Score of 79 (Recommended), followed by Clerk at 78 and WorkOS at 77. The category averages 64 across all 48 tools, with 0 earning Top Pick status and 12 marked Recommended.

Ownership signal: 0% of auth tools we track are founder-led, 0% have been acquired, and 0% are PE-owned. The mix is balanced; expect varying pricing trajectories across the field.

Recent activity: no material pricing events logged in this category over the last 12 months. Scores below reflect a steady-state view.

The ranked list is below. Each row shows the editorial tier, current score, and 7-day Hacker News buzz delta as it's hydrated from public data. Click through to any tool for the full review.

  1. 1
    Supabase Auth
    Best for: Free auth that comes with Supabase.
    Recommended 87 stack 79 · fit 91 →
  2. 2
    Clerk
    Best for: Drop-in auth with beautiful components.
    Recommended 86 stack 78 · fit 89 →
  3. 3
    WorkOS
    Best for: Enterprise SSO and directory sync.
    Recommended 83 stack 77 · fit 85 →
  4. 4
    Firebase Auth
    Best for: Google's auth service.
    Recommended 79 stack 77 · fit 80 →
  5. 5
    Auth0
    Best for: Enterprise auth that handles every edge case.
    Solid 70 stack 60 · fit 74 →
  6. 6
    Hanko
    Best for: Open-source passkey authentication.
    Recommended 69 stack 74 · fit 67 →
  7. 7
    NextAuth
    Best for: Auth for Next.js that's free and flexible.
    Recommended 68 stack 74 · fit 66 →
  8. 8
    Better Auth
    Best for: You want NextAuth but actually well-designed.
    Recommended 68 stack 73 · fit 66 →
  9. 9
    PropelAuth
    Best for: B2B authentication with hosted UIs, orgs, and SSO out of the box.
    Solid 68 stack 65 · fit 69 →
  10. 10
    Asgardeo
    Best for: WSO2 cloud IDaaS for B2C and B2B authentication.
    Solid 68 stack 65 · fit 69 →
  11. 11
    1Password
    Best for: The password manager your team actually uses.
    Recommended 67 stack 82 · fit 61 →
  12. 12
    Ory
    Best for: Open-source identity infrastructure including Kratos, Hydra, and Keto.
    Solid 67 stack 64 · fit 68 →
  13. 13
    Keycloak
    Best for: Open-source identity and access management with SSO, OAuth, and OIDC.
    Solid 66 stack 65 · fit 67 →
  14. 14
    Stytch
    Best for: Passwordless auth done right.
    Recommended 65 stack 73 · fit 62 →
  15. 15
    Frontegg
    Best for: B2B user management platform with login box, SSO, and admin portal.
    Solid 65 stack 64 · fit 65 →
  16. 16
    SuperTokens
    Best for: You want to self-host without writing auth from scratch.
    Recommended 64 stack 72 · fit 61 →
  17. 17
    Passage
    Best for: Passkey authentication service from 1Password for any web or mobile app.
    Solid 64 stack 63 · fit 65 →
  18. 18
    AuthKit
    Best for: WorkOS-built drop-in authentication UI with social, SSO, and passkeys.
    Solid 64 stack 63 · fit 64 →
  19. 19
    Cerbos
    Best for: Open-source authorization layer to externalize roles and policies from app code.
    Solid 64 stack 63 · fit 64 →
  20. 20
    Logto
    Best for: Open-source identity infrastructure with admin console and SDKs.
    Solid 63 stack 63 · fit 63 →
  21. 21
    Bitwarden
    Best for: Open source password management.
    Recommended 62 stack 72 · fit 58 →
  22. 22
    Kinde
    Best for: Auth and user management with feature flags baked in.
    Recommended 62 stack 72 · fit 58 →
  23. 23
    FusionAuth
    Best for: You need to own your auth data on your infra.
    Solid 61 stack 58 · fit 62 →
  24. 24
    Descope
    Best for: You want to A/B test login flows without shipping code.
    Solid 61 stack 58 · fit 62 →
  25. 25
    AuthZed
    Best for: Hosted SpiceDB platform implementing Google Zanzibar-style authorization.
    Solid 60 stack 62 · fit 59 →
  26. 26
    Identity Server
    Best for: OpenID Connect and OAuth 2 framework for ASP.NET Core.
    Solid 59 stack 62 · fit 58 →
  27. 27
    Userbase
    Best for: End-to-end encrypted user database for static and serverless apps.
    Solid 59 stack 62 · fit 58 →
  28. 28
    Auth.js
    Best for: Successor to NextAuth supporting Next.js, SvelteKit, SolidStart, and Express.
    Solid 59 stack 63 · fit 58 →
  29. 29
    NextAuth.js
    Best for: Open-source authentication library for Next.js, now known as Auth.js.
    Solid 57 stack 63 · fit 55 →
  30. 30
    Userfront
    Best for: Hosted authentication with multi-tenant orgs and prebuilt UI.
    Solid 57 stack 62 · fit 55 →
  31. 31
    Passwordless.dev
    Best for: Bitwarden-owned WebAuthn and passkey API for developers.
    Solid 57 stack 62 · fit 55 →
  32. 32
    Okta
    Best for: Enterprise identity platform for workforce SSO, MFA, and lifecycle management.
    Solid 55 stack 61 · fit 53 →
  33. 33
    JumpCloud
    Best for: Open directory platform unifying SSO, device management, and identity.
    Solid 55 stack 61 · fit 52 →
  34. 34
    OneLogin
    Best for: Workforce identity and access management with SSO and MFA.
    Solid 55 stack 61 · fit 52 →
  35. 35
    Magic
    Best for: Passwordless and Web3 wallet-based auth via magic links.
    Solid 53 stack 61 · fit 50 →
  36. 36
    Oso
    Best for: Authorization platform with a policy language for fine-grained access control.
    Solid 52 stack 60 · fit 48 →
  37. 37
    BoxyHQ
    Best for: Open-source enterprise readiness platform with SAML SSO and audit logs.
    Solid 52 stack 60 · fit 49 →
  38. 38
    Beyond Identity
    Best for: Passwordless workforce auth using device-bound cryptographic credentials.
    Solid 47 stack 58 · fit 42 →
  39. 39
    Microsoft Entra ID
    Best for: Microsoft cloud identity service formerly known as Azure Active Directory.
    Solid 46 stack 59 · fit 41 →
  40. 40
    Scalekit
    Best for: Enterprise SSO and SCIM as APIs for B2B SaaS founders.
    Solid 46 stack 59 · fit 41 →
  41. 41
    Permit.io
    Best for: Authorization-as-a-service for fine-grained access control.
    Solid 45 stack 58 · fit 39 →
  42. 42
    Lucia
    Best for: Auth library that doesn't try to own your users.
    Caution 44 stack 37 · fit 47 →
  43. 43
    Ping Identity
    Best for: Enterprise identity platform for workforce and customer identity.
    Solid 44 stack 58 · fit 38 →
  44. 44
    Cognito
    Best for: AWS managed identity service for app sign-up, sign-in, and federation.
    Solid 43 stack 58 · fit 37 →
  45. 45
    Transmit Security
    Best for: Identity, fraud, and authorization platform for large enterprises.
    Solid 40 stack 57 · fit 33 →
  46. 46
    Tesseral
    Best for: Open-source B2B authentication platform with SSO and SCIM.
    Solid 40 stack 57 · fit 32 →
  47. 47
    Authentik
    Best for: Open-source identity provider with policies, flows, and enterprise SSO.
    Solid 39 stack 56 · fit 32 →
  48. 48
    Userlot
    Best for: Customer identity and onboarding platform for B2B SaaS.
    Solid 38 stack 55 · fit 31 →

The Stack Score is a 0 to 100 rating built from editorial verdict, ownership stability, and pricing trajectory. Read how we rank for the full formula.

See the full ranking across every category →

Frequently asked

What is the best auth tool in 2026?

Supabase Auth is the highest-scoring auth tool on fewertools, with a Stack Score of 79/100 and a tier of Recommended. The Stack Score is computed from editorial verdict, ownership stability, and pricing trajectory. Same formula for every tool, no paid placements.

How are auth tools ranked on fewertools?

Every tool gets a 0 to 100 Stack Score from three signals: editorial verdict (60 points), ownership stability (20 points), and pricing trajectory (20 points). Auth tools are then sorted by score. The full methodology is documented at how we rank.

What is a good alternative to Supabase Auth?

Clerk is the second-highest-ranked auth tool with a Stack Score of 78/100. A credible alternative if you want a different ownership profile, pricing model, or feature mix.

How often are auth rankings updated?

Rankings update whenever any of the three signals change: a new pricing event is logged (via the live Pulse log), a verdict is revised, or an ownership change is recorded. Pricing events are tracked daily.

Last updated · scoring formula version 1.0

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