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Authentication & identity tools - Top Picks for 2026

Last updated
Sep 3, 2026
Based on
820 reviews
Products considered
179

Authentication & identity tools verify users, manage logins, and protect access. They power sign-ups, memberships, biometrics, and secure sessions for apps and sites.

FirebaseClerkWorkOSAuth0AppwritePropelAuth

Top reviewed authentication & identity tools

Top reviewed
"Top-reviewed identity tools split between broader app backends, polished developer auth, and enterprise access layers. suits teams bundling login with realtime data and serverless workflows; emphasizes fast drop-in sign-in, session handling, and organization features for modern web apps; stands out for enterprise SSO, SCIM provisioning, and auditability as SaaS products move upmarket."
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