Providing online, non-downloadable software for accessing computer databases featuring information in the field of real estate; software as a service (SAAS) services featuring software for advertising, accessing and presenting information in the area of real estate, apartment and residential property for sale and for rent; software as a service (SAAS) featuring software for providing tours of real estate and for providing an on-line showroom for the goods of others in the field of real estate; software as a service (SAAS) services featuring software for providing reviews in the field of real estate; software as a service (SAAS) services featuring software for sharing data about real estate, apartments, and residential property for sale and for rent; software as a service (SAAS) services featuring software for providing mortgage information, analysis, and advice in the fields of mortgage lending, home equity lending, title and escrow fees, financial information related to the purchase, sale, or rental of real estate, mortgage quotes, confirming lender availability and interest, and for reviewing and rating lenders and mortgage professionals