Computer software for , and downloadable computer software for, computer operating systems software, computer software development tools, computer software maintenance tools for source code control and software version control, compiler software, cross compiler software, networking software for routing/communication protocols and network manageability, web software for web server support and internet data parsing, multimedia software for encoding and decoding audio/video data, graphical user interface software, simulation software for software development using software models that act as a virtual replacement for physical chips/boards, electronics design software, device driver software for embedded host and peripheral devices, security software for using security protocols while transmitting and receiving data within embedded computer devices or to other devices, commercial transaction software for use on embedded devices in conjunction with enterprise application software, and instructional manuals related thereto sold as a unit with the software, including downloadable electronic versions of the instructional manuals;; Downloadable software for compiling programs and cross compiling programs for use in computer program development and maintenance; computer software for compiling programs and cross compiling programs for use in computer program development and maintenance;