Best Authentication Tools
8 tools tagged with Authentication across Ai Agents, Developer Tools. Compare pricing, features, and pick the right one for your team.
8
Tools
8
Free or freemium
3
Open source
Clerk
The fastest way to add authentication and user management to your React apps.
Auth0
The developer-first platform for authentication and authorization.
PocketBase
Open source backend in 1 file for your next project.
Supabase
The open-source Firebase alternative for building modern applications.
Hanko
Open-source authentication and passkey infrastructure.
FusionAuth
The flexible, developer-friendly authentication and authorization platform.
Kinde
The all-in-one product infrastructure platform for high-growth SaaS.
Logto
The open-source Auth0 alternative for building modern applications.
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