Downloadable computer software for use in providing password-less user authentication services using software technology for secure access and recognition of user credentials, identity verification and sign-on technology; Downloadable computer software for use in verifying user identities and user authentication, and control access to computer software, software applications and software development tools; Downloadable computer software for use in providing authentication for communications and transactions via a global computer network, namely, validating personal identification information and user credentials to secure access to online computer services and software programs and products without a password; Downloadable computer software for data security purposes by providing user authentication; Downloadable computer software for enabling and managing authentication and authorization of permitted individuals, computer software, and software-equipped devices to other computer software applications, cloud-based software, software-equipped devices, and digital information; Downloadable computer software for use in verification and authentication of digital certificates, tokens, sessions, browser and website cookies and information in the nature of personal identification and credentials