Providing temporary use of on-line non-downloadable software for development tools for developing, deploying, and executing computer systems, computer applications, and application programming interfaces (API); providing temporary use of on-line non-downloadable software for developing, deploying, simulating and executing computer systems, computer applications, operating systems, and application programming interfaces (API); providing temporary use of on-line non-downloadable software development tools for development, deployment, and execution of Function as a Service (FaaS) services on container hosting platforms, servers, graphics processing units (GPU's), field programmable gate arrays (FPGAs), and neural network processors; software as a service (SAAS) services featuring software for providing a virtual computing environment accessible via the Internet for the purpose of application development, deployment, execution, and management; providing temporary use of on-line non-downloadable cloud computing software for use in electronic storage of data and for processing data from streaming data sources in the form of internet of things (IoT) edge devices, cameras, and sensors; design and development of computer software for cloud storage of data; computer technology consulting services in the field of distributed ledgers and blockchain-based technology; providing temporary use of non-downloadable software for use in accessing, reading, tracking, and using blockchain technology; providing temporary use of on-line non-downloadable cloud computing software for data and file encryption and cloud storage of data