Software authoring; Software design and development; Software porting; Computer software consultancy; Computer software consultation; Computer software consulting; Computer software design; Computer software design and updating; Computer software design for others; Computer software design, computer programming, and maintenance of computer software; Computer software installation and maintenance; Computer and computer software rental; Computer hardware and software design; Computer programming and software design; Copying of computer software; Customizing computer software; Debugging computer software for others; Developing and updating computer software; Developing computer software; Developing customized software for others; Image processing software design; Installation of computer software; Maintenance of computer software; Repair of software; Repair of computer software; Services for updating computer software; Testing of computer software; Troubleshooting of computer software problems; Updating of computer software