42 Software as a service; Platform as a service; Computer services; design, development, installation and maintenance of computer software and computer programmes; maintenance and updating of computer software; design and development of databases; hosting of databases; maintaining databases; Programming of software for database management; Research services; Hosting of websites; Hosting of digital content, namely, on-line journals and blogs; Authentication, issuance and validation of digital certificates; Software as a service (SAAS) services, namely, hosting software for use by others for creating, processing, authenticating, and validating certifications in the form of customizable digital badges and other digital credentials; providing a website featuring technology that enables credential issuers, credential recipients and credential endorsers to exchange data via system interoperability protocols; collection and management of digital credential meta data in the nature of data warehousing; research and development services in the field of accreditation and certification of global best practices, exam management and support for accreditation and certification of global best practices; software development, programming and implementation; Providing temporary use of on-line non-downloadable software for creating and maintaining electronic endorsements of professionals who are certified with knowledge, skill and experience in various fields; providing temporary use of on-line non-downloadable software for creating and maintaining electronic endorsements of professionals who are certified with knowledge, skill and experience in computer technology, math, science, art, languages, social studies and professional development; providing temporary use of on-line non-downloadable software to allow users to upload, post and display certifications of professionals with knowledge, skill and experience in various fields; computer services, namely, hosting an interactive web site that allows users to connect and share endorsements of professionals who are certified with knowledge, skill and experience in computer technology, math, science, art, languages, social studies and professional development; providing an on-line searchable database featuring computer technology for scientific research purposes; creating and maintaining blogs for others; information, advisory and consultancy services relating to the aforesaid services