9 Software application enabling landlords to list and rent residential units and market newly developed properties for rent and for prospective tenants to review and select rental units; desktop software application to facilitate residential tenancy transactions between landlord or property manager and tenant, namely, identity verification, creditworthiness and trustworthiness verification, publicly available information verification, application assisted application process, residential tenancy contract formation, digital signature of application, online chat between prospective landlord and tenants during application process and residential unit viewing process, facilitating transfer of payments between parties, confirming insurance status, and enabling transactions for residential tenant's insurance policies; mobile software application to facilitate residential tenancy transactions between landlord or property manager and tenant, namely, identity verification, creditworthiness and trustworthiness verification, application assisted application process, residential tenancy contract formation, digital signature of application, online chat between prospective landlord and tenants during application process and residential unit viewing process, facilitating transfer of payments between parties, confirming residential tenant's insurance status, and enabling purchase transactions for tenant's insurance policies; Computer application and messaging software for mobile phones, portable media players and handheld computers, namely, software that allows, provides, permits and facilitates users to solicit each other to perform a wide range of personal and customized services, to list and rent residential units, to access information, listings and announcements about housing, apartments, condominiums, townhouses, and rental and leasing advertisements for the foregoing, and to sell goods and services by others via a computer network; downloadable mobile software application to facilitate residential tenancy transactions between landlord or property manager and tenant, namely, identity verification, creditworthiness and trustworthiness verification, application assisted application process, residential tenancy contract formation, digital signature of application, online chat between prospective landlord and tenants during application process and residential unit viewing process, facilitating transfer of payments between parties, confirming insurance status, and enabling purchase transactions for residential tenant's insurance policies