Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software for designing, analyzing, testing, and simulating digital models and engineered models; Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software for designing, analyzing, testing, and simulating digital models and engineered models in the aerospace and automotive industries; Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software for designing, analyzing, testing and simulating planes, drones, helicopters, automobiles and flying apparatuses and equipment; Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software for obtaining regulatory and governmental approval of engineered objects; Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software for obtaining regulatory and governmental approval of planes, drones, helicopters, automobiles, and flying apparatuses and equipment; Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software for creating, testing, certifying, and operating physical objects and processes in a digital environment; Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software using artificial intelligence for creating model-to-model automations; Design of computer-simulated models; Software as a service (SaaS), platform as a service (PaaS), cloud computing, and providing temporary use of online non-downloadable software for managing project tasks and workflows