Hanko is an open-source authentication and user management solution designed to provide a secure and modern login experience. From traditional passwords to passkeys, 2FA, and SSO, Hanko offers a comprehensive suite of tools to meet diverse authentication needs, ensuring better security and higher conversion rates. Features include user authentication with various login methods, auth component, profile component, passkey API, customizable styling, and framework-agnostic design. Hanko is trusted by over 10,000 developers and aims to make the future of authentication passwordless.