Providing temporary use of non-downloadable computer programs for use in flexible labor management, namely, software for managing hiring and staffing, for managing contractors, freelancers, consultants, employees and vendors for managing project pricing, for managing vendors, for managing projects and workflow, for contractor, freelancer, consultant employees and vendors database management, for managing pre-employment screening and verification, for managing payroll, for invoice automation, and for managing contractor, freelancer, employees, vendors and consultant evaluations