Computer software development and computer programming development for others; Computer software development in the field of direct sales applications; Computer software development, computer programming and maintenance of computer software for direct sales; Custom design and development of computer software for direct sales; customized software development in the field of direct sales applications; Design and development of computer software; Design, development and implementation of software; Design, development, installation and maintenance of computer software for direct sales; Design and development of computer software in the field of direct sales applications