Stytch is a developer-centric platform that offers various authentication methods tailored for B2B and B2C apps, emphasizing a passwordless approach for security purposes. It supports comprehensive authentication methods such as Single Sign-On (SSO), Multi-Factor Authentication (MFA), OAuth, web3 logins, one-time passcodes, passkeys, and email magic links. Stytch also offers advanced security measures like breach detection, passwordless authentication, and device fingerprinting to protect against account takeover. The platform is ideal for businesses looking for a secure and highly customizable authentication solution that scales effortlessly with their user base. Auth0 is an authentication and authorization platform that offers a wide range of features that simplify user management for web and mobile applications, making it suitable for B2C apps requiring a done-for-you authentication solution. WorkOS is a platform designed to help developers add enterprise identity management features to their apps, providing a suite of dev tools, including APIs, SDKs, and a fully customizable UI, tailored to support user and organizational management at the enterprise level, making it suitable for building enterprise apps that require extensive customization.