Application service provider (ASP) featuring e-commerce software for use as a payment gateway that authorizes processing of credit cards or direct payments for merchants; Computer software development in the field of mobile applications; Creation, design, development and maintenance of web sites for third parties; Design and development of computer software in the field of tablet applications; Design and development of software in the field of mobile applications; Designing and developing websites in the field of e-commerce for others; Developing and hosting a server on a global computer network for the purpose of facilitating e-commerce via such a server; Product development for others; Providing information relating to computer technology and programming via a website; Providing user authentication services using software technology for e-commerce transactions; Scientific and technological services, namely, research and design in the field of integrated system architecture that allows for the rapid development of highly interactive and customizable learning applications; User authentication services using single sign-on technology for online software applications; User authentication services using technology for e-commerce transactions