Web site development for others; Providing information in the fields of technology and software development via an on-line website; Planning, design, development and maintenance of online websites for third parties; Design and development of software in the field of mobile applications; User interface (UI) design; Computer programming; Creating, designing and maintaining web sites; Graphic design; Smartphone software design; Software development in the framework of software publishing; Software design and development; Cybersecurity services in the nature of restricting unauthorized access to computer systems; Maintenance and updating of computer software