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