Stytch is a developer-first auth platform — passwordless, MFA, SSO, RBAC — plus device fingerprinting and fraud prevention, via flexible APIs and SDKs, for B2C
Clerk is a developer-first auth and user-management platform with prebuilt, customizable UI components (sign-in, profile, org switcher) that drop into modern ap
Auth0 (by Okta) is an identity platform that lets developers add login, SSO, passwordless, MFA, and user management via SDKs and APIs — instead of building and
