Platform as a service (PAAS) featuring computer software platforms for use by landlords and or property managers for invoicing, accounting, and billing, track service requests, maintenance request, and purchase orders, enable payments for rental properties from tenants; deduct property management charges, pay vendors for services all in one place; Software as a service (SAAS) services featuring software for use by landlords and or property managers for invoicing, accounting, and billing, trac...