Passwordless authentication is revolutionizing user access to applications by eliminating the reliance on passwords, thereby enhancing security against threats like phishing and credential theft while improving user experience. This approach uses secure verification methods such as passkeys, biometrics, one-time codes, and magic links, which mitigate the risks associated with traditional passwords. The guide explores nine leading passwordless authentication solutions, detailing their benefits and ideal use cases for various business needs. It highlights Descope as a comprehensive platform offering diverse authentication options and a visual workflow editor, enabling developers to design custom login experiences without complex code. Other notable solutions include Auth0, Amazon Cognito, Microsoft Entra, Firebase Authentication, OneLogin, Keycloak, Supabase, and HYPR, each providing unique features tailored to different organizational requirements. These platforms collectively aim to reduce login friction, enhance compliance, and offer scalable security solutions across multiple applications and user bases, marking a strategic shift toward safer digital experiences.