Customizing computer software; Developing customized software for others; Providing temporary use of non-downloadable cloud-based software for managing invoicing, recurring revenue, and accounts receivable operations; Providing temporary use of non-downloadable computer software for preparing invoices over computer networks, intranets and the internet; Providing temporary use of a web-based software application for communications and technology services providers to receive customer orders, accept payments, manage fulfillment of customer orders, manage product inventory, manage assets, track customer product or service usage, send periodic bills to customers, collect bill payments, organize and automate back-office tasks, manage support tickets, manage customer support representatives, manage sales representatives and commissions, and generate reports; Providing temporary use of on-line non-downloadable software and applications for assisting providers of communications, software and technology services with customer management, customer service operations, order fulfillment operations, customer invoicing, and management of recurring revenue; Providing temporary use of on-line non-downloadable software and applications for management of customer service operations and order fulfillment operations; Providing temporary use of on-line non-downloadable software and applications for invoicing and accounts receivable operations; Providing temporary use of on-line non-downloadable software for facilitating and automating customer relationship management; Providing temporary use of on-line non-downloadable software for tracking and managing physical and virtual assets and inventory; Software as a service (SAAS) services featuring software for customer relationship management; Software as a service (SAAS) services featuring software for invoicing operations, payment collection and recurring revenue management