Providing temporary use of a non-downloadable web application for listing and searching referral opportunities by group and by category; Providing temporary use of a non-downloadable web application for creating an online marketplace for buyers and sellers of goods and services; Providing temporary use of a non-downloadable web application for enabling users to post ratings and provide feedback on services they received from others and for enabling service providers to post ratings and provide feedback on their consumers; Providing temporary use of a non-downloadable web application for identifying and defining the scope and components of project; Providing temporary use of a non-downloadable web application for transmitting job requests, questions, concerns, reviews and job completion information, for users of an online marketplace, to evaluate and provide feedback regarding parties they have interacted with via the marketplace; Providing temporary use of a non-downloadable web application for transmitting information to consumers with information about professionals, for transmitting information to professionals with information about consumers, and for connecting professionals and customers through referrals; Providing temporary use of a non-downloadable web application for electronic processing of payments, financial discounts and refunds, for transmitting electronic messages, for scheduling, and for conducting transactions between consumers and professionals