Software as a Service (SaaS) featuring software for use in facility management and business operations management, namely, hosting online event calendars and organizing the scheduling, planning, sharing, and reservation of facility spaces for events, benchmarking use and costs for facilities, inventory management, facility use scheduling and requests, and documenting and tracking usage costs and expenses for facility use, creating a sharable electronic repository of public space reservation information, integrated invoicing and real time reporting with secure access anywhere, anytime via a web-enable device