# Auth & Identity Software

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Auth0](https://www.vioscale.ai/software/auth0) | 85.8 | 65% (medium) | - |
| 2 | [Descope](https://www.vioscale.ai/software/descope) | 79.3 | 63% (medium) | - |
| 3 | [WorkOS](https://www.vioscale.ai/software/workos) | 77.1 | 52% (medium) | - |
| 4 | [Ory](https://www.vioscale.ai/software/ory) | 76.5 | 46% (low) | - |
| 5 | [Better Auth](https://www.vioscale.ai/software/better-auth) | 76 | 26% (low) | - |
| 6 | [Clerk](https://www.vioscale.ai/software/clerk) | 73.2 | 61% (medium) | - |
| 7 | [Authelia](https://www.vioscale.ai/software/authelia) | 70.9 | 18% (low) | - |
| 8 | [Zitadel](https://www.vioscale.ai/software/zitadel) | 70.8 | 26% (low) | - |
| 9 | [Keycloak](https://www.vioscale.ai/software/keycloak) | 70.2 | 32% (low) | - |
| 10 | [Kinde](https://www.vioscale.ai/software/kinde) | 67.6 | 61% (medium) | - |
| 11 | [Firebase Authentication](https://www.vioscale.ai/software/firebase-authentication) | 65.5 | 20% (low) | - |
| 12 | [Logto](https://www.vioscale.ai/software/logto) | 62.3 | 44% (low) | - |
| 13 | [Frontegg](https://www.vioscale.ai/software/frontegg) | 60.1 | 53% (medium) | - |
| 14 | [Authentik](https://www.vioscale.ai/software/authentik) | 59.3 | 15% (low) | - |
| 15 | [PropelAuth](https://www.vioscale.ai/software/propelauth) | 59.1 | 51% (medium) | - |
| 16 | [Stytch](https://www.vioscale.ai/software/stytch) | 56.6 | 49% (low) | - |
| 17 | [Auth.js (NextAuth.js)](https://www.vioscale.ai/software/auth-js-nextauth-js) | 54.9 | 34% (low) | - |
| 18 | [SuperTokens](https://www.vioscale.ai/software/supertokens) | 54 | 39% (low) | - |
| 19 | [AWS Cognito](https://www.vioscale.ai/software/aws-cognito) | 40 | 61% (medium) | - |
| 20 | [FusionAuth](https://www.vioscale.ai/software/fusionauth) | 39.2 | 37% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/auth-identity).*