Software authoring; Software design and development; Software engineering services; Computer software consultancy; Computer software consulting; Computer software design; Computer software design and updating; Computer software design for others; Computer software development; Computer software development and computer programming development for others; Custom design of computer software; Design and writing of computer software; Design, development and implementation of software; Design, maintenance, development and updating of computer software; Developing and updating computer software; Developing computer software; Developing customized software for others; Research and development of computer software; Research, development, design and upgrading of computer software