Application software; computer programs (downloadable software); computer software; computer software (programs); computer software designed to estimate costs; computer software designed to estimate resource requirements; computer software downloaded from the Internet; computer software for analysing address files; computer software for authorising access to data bases; computer software for business purposes; computer software for communicating purposes between microcomputers; computer software for processing address files; computer software packages; computer software products; computer software programs; computer software programs for database management; computer software programs for spreadsheet management; data communications software; data processing software; data processing software for graphic representations; data processing software for word processing; engineering design software; industrial computer software programs; personal computer application software; simulation software for use in digital computers; all the aforementioned excluding operating system software and software development tools