Interaction: AuthenticationAuth0Auth0 provides an authentication and authorization as a service platform for web, mobile, IoT, and legacy applications.AWS Amplify frameworkA JavaScript library for application development using cloud services.Firebase AuthenticationSimple, free multi-platform sign-inMagicAuth simplified. One SDK for passwordless, WebAuthn, and social login - fully customizable.MagicEnable customizable, future-proof, passwordless login with a few lines of code.MemberStackMemberships & gated content for your websiteNetlify IdentityAuthentication functionalitySee Entire Tools Directory