Software design and development; Software development in the framework of software publishing; Computer software design for others; Computer software development, computer programming and maintenance of computer software for selling on Amazon; Computer software development, computer programming and maintenance of computer software for selling on Walmart; Consulting services in the field of software as a service (SAAS); Developing computer software; Rental of software for data processing; Renting computer software; Updating and rental of software for data processing; Updating of computer software for others