Separate the account, user and login/auth details

SuperTokens

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Kratos

Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.

UserFrosting

[READ ONLY] Modern PHP user login and management framework

Conjur

CyberArk Conjur automatically secures secrets used by privileged users and machine identities