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The best authentication & identity tools in 2026

Last updated
Jan 31, 2026
Based on
718 reviews
Products considered
164

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

FirebaseClerkAppwriteAuth0PropelAuth
Anima - OnBrand Vibe Coding Design-aware AI for modern product teams.

Top reviewed authentication & identity tools

Top reviewed
suits teams needing integrated auth with real-time data, analytics, and serverless scale, trading easy starts for Google Cloud complexity. excels for enterprise-grade SSO, MFA, and federation, with robust RBAC and smooth onboarding. targets modern SaaS with polished components, fast setup, org/role management, and social sign-on, prioritizing developer experience and rapid launch.
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