Design and development of computer software for management and maintenance of rental properties and other real estate.; Developing customized software in the field of management and maintenance of rental properties and other real estate. for others; Software as a service (SAAS) services featuring software for management and maintenance of rental properties and other real estate.; Providing online non-downloadable computer software platforms for management and maintenance of rental properties and other real estate.; Computer services, namely, providing an interactive web site featuring technology that allows users to collect, store, manage, deliver and showcase electronic and paper-based content; Providing an interactive web site featuring technology that enables users to enter, access, track, manage, monitor, and generate information and reports regarding their in-house building cleaning programs; Providing temporary use of a non-downloadable web application for management and maintenance of rental properties and other real estate.; Providing temporary use of online, non-downloadable enterprise software for management and maintenance of rental properties and other real estate.; Rental of software for management and maintenance of rental properties and other real estate.; Rental of software, capable of functioning offline, for management and maintenance of rental properties and other real estate.; Cloud computing featuring software for use management and maintenance of rental properties and other real estate.; Providing temporary use of on-line non-downloadable software development tools for management and maintenance of rental properties and other real estate.; Providing on-line non-downloadable software for management and maintenance of rental properties and other real estate.; Application service provider (ASP) featuring software for use management and maintenance of rental properties and other real estate.; Software as a service (SAAS) services featuring software for management and maintenance of rental properties and other real estate.; Providing temporary use of on-line non-downloadable firmware for management and maintenance of rental properties and other real estate.; Providing temporary use of on-line non-downloadable cloud computing software for management and maintenance of rental properties and other real estate.; Providing a website featuring non-downloadable software for management and maintenance of rental properties and other real estate.; Platform as a service (PAAS) featuring computer software platforms for management and maintenance of rental properties and other real estate.; Providing a web site featuring temporary use of non-downloadable software for management and maintenance of rental properties and other real estate.; Providing temporary use of a web-based software application for management and maintenance of rental properties and other real estate.; Software as a service (SAAS) services, namely, hosting software for use by others for management and maintenance of rental properties and other real estate.; Providing a website featuring resources, namely, non-downloadable software for management and maintenance of rental properties and other real estate.; Providing temporary use of on-line non-downloadable software for management and maintenance of rental properties and other real estate.; Providing temporary use of on-line non-downloadable software and applications for management and maintenance of rental properties and other real estate.; Providing subscription-based temporary use of on-line non-downloadable software for management and maintenance of rental properties and other real estate.; Providing temporary use of on-line non-downloadable open-source software for management and maintenance of rental properties and other real estate.; Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence (AI) for management and maintenance of rental properties and other real estate.; Providing a website featuring resources, namely, a website featuring primarily non-downloadable software for management and maintenance of rental properties and other real estate. and also featuring non-downloadable publications in the nature of books, periodicals, articles, and other publications in the field of real estate.; Computer services, namely, acting as an application service provider in the field of knowledge management to host computer application software for the purpose of management and maintenance of rental properties and other real estate.; Computer services, namely, acting as an application service provider in the field of information management to host computer application software for the purpose of management and maintenance of rental properties and other real estate.