Software engineering; Software design; Software development; Software authoring; Computer software integration in the nature of integration of computer software into multiple network and systems to provide access and management of digital publications; Computer software consultancy (Computer software); upgrading of computer software; Software as a service SaaS featuring software for use in database management in the field of digital publications; Maintenance of computer software relating to computer security and prevention of computer risks; Advisory services in the nature of database management relating to computer software used for publishing; Hosting of websites; Hosting of online databases for digital publications; Hosting platforms on the Internet for access and management of digital publications; Professional consultancy relating to data-processing for access and management of digital publications; Engineering consultancy relating to data-processing; Data migration services; Database design; Data encryption services; Encryption, decryption and authentication of information, messages and data for access and management of digital publications; IT security, protection and restoration of digital publications; Design, creation, hosting, maintenance of websites for others; Computer software technical support services for access and management of digital publications