Computer software platforms for promoting the businesses of others via local and global computer networks by providing computerized online ordering services featuring a wide variety of business and consumer goods and/or services, providing the support tools and functionality for others to create virtual merchant shops, manage an online business via a mobile device, and create fixed price and live auction listings and websites, display advertising, Software as a Service (SAAS) services featuring software for use in database management, sales and customer tracking and management, and inventory management, providing a searchable online international business directory, design and development of computer software, software applications, and application programming interfaces; providing temporary use of on-line, non-downloadable computer software and software development tools for use in developing further software and software applications in the field of e-business and e-commerce