Authentication ServicesAuthentication services provide pre-built user identity management and access control features that developers can integrate into their applications
Authentication Services
Appwrite
Open-source
An open-source backend platform for web and mobile applications
Auth0
Freemium
A comprehensive authentication and authorization platform for secure app access
Authelia
Open-source
An open-source authentication solution for secure access management
Authentik
Open-source
An identity management solution offering customizable, robust security
Firebase
Freemium
A comprehensive backend-as-a-service (BaaS) for app development and deployment
Hanko
Open-source
An open-source authentication platform for the passkey (passwordless) era
Keycloak
Open-source
An open-source identity and access management for modern applications
Supabase
Open-source
An open-source alternative to Firebase with SQL database and full backend support
Supertokens
Open-source
An open-source authentication solution for fast, flexible user access control
Zitadel
Open-source
A comprehensive identity management platform for secure access control
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