Downloadable and recorded computer software for analyzing computer system interfaces and functionality of computer systems; downloadable and recorded computer software for migration between different computer systems, for migration between a previous computer system and a subsequent computer system; downloadable and recorded computer software for entry, storage and analysis of input and output information regarding data transferred through interfaces of computer systems; downloadable and recorded computer software for determination of changes between input and output information regarding processing performed by computer systems; downloadable and recorded computer software for determination of state changes between input information and output information regarding sequences of processing and of input and output generation of computer systems; downloadable and recorded computer software for providing interfaces between a previous computer system and a subsequent computer system for the purpose of data transfer; downloadable and recorded computer software for providing analysis tools to users and graphic interfaces to users; downloadable and recorded computer software for semi-automatic or automatic generation of software for computer system interfaces, namely, for replacing existing interfaces between a previous computer system and a subsequent computer system; downloadable and recorded computer software for semi-automatic or automatic generation of software for analysis tools for users and for graphical user interfaces; downloadable and recorded computer software for semi-automatic or automatic generation of software to replace existing functionality of a computer system with a new computer system; downloadable and recorded computer software for semi-automatic or automatic generation of test cases, test environments and test interfaces; downloadable and recorded computer software for semi-automatic or automatic comparison of input information and output information regarding differences in processing or interfaces between a previous computer system and a subsequent computer system; downloadable and recorded computer software for carrying out transactions being customer orders, order confirmations, fulfillment initiation, billing, invoicing, and payment reconciliation in the fields of financial services, business services, accounting services, travel and hospitality services, law services; downloadable and recorded computer software development kits (SDK) for use in creating distributed ledger technology (DLT) applications, blockchain applications, distributed repository applications and distributed ledger applications; computers containing digital recording media being pre-recorded or recordable CDs, hard-disks, solid state memories, or flash memories featuring the above-mentioned software stored thereon

Commercial business management; advertising services; professional business consulting services for companies; business management consultancy services, namely, analysis and development of processes for the operation of a business

Design and development of computer hardware and software; computer system analysis, namely, analysis of computer interfaces and processing of commercial data processing computer systems; computer system design, namely, design of computer interfaces and processing of commercial data processing computer systems; design and development of computer software for the migration between different computer systems, for the migration between a previous computer system and a subsequent computer system; design and development of computer software for entry, storage and analysis of input and output information of computer systems regarding data transferred through computer interfaces; design and development of computer software for determination of changes between input and output information regarding data processing performed by computer systems; design and development of computer software for storing state changes between input information input and output information regarding sequences of processing and of input and output generation of computer systems; design and development of computer software for providing interfaces between a previous computer system and a subsequent computer system for data transfer; design and development of computer software for providing analysis tools to users and graphic interfaces to users; design and development of computer software for semi-automatic or automatic generation of software for interfaces between a previous computer system and a subsequent computer system for replacing existing computer interfaces; design and development of computer software for semi-automatic or automatic generation of software for tools analysis for users and for graphical user interfaces; design and development of computer software for semi-automatic or automatic generation of software to replace existing functionality of a computer system with a new computer system; design and development of computer software for computer systems for carrying out transactions in the field of finance, business, accounting of travel and hospitality, law; design and development of computer software for the generation of semi-automatic or automatic generation of test cases, test environments tests and test interfaces; design and development of computer software for semi-automatic or automatic comparison of input and output information between a previous computer system and a subsequent computer system, namely, identifying differences in computer processing or computer interfaces; design and development of computer software applications for use in distributed ledger technology (DLT) applications, blockchain applications, distributed repository applications and distributed ledger applications; design and development of computers and computer software, namely, digital recording media, namely, CDs, hard-disks, solid state memories, or flash memories pre-recorded or pre-recordable with the above-mentioned software stored thereon; consultancy services in the field of migration between different computer systems, migration between a previous computer system and a subsequent computer system for companies; IT consulting services in the field of migration of computer systems for carrying out transactions in the field of finance, business, accounting of travel and hospitality, law for companies; IT consulting services in the field of using distributed ledger technology (DLT) applications, block chain applications, applications for a distributed repository and applications for a distributed ledger for computer systems for carrying out transactions in the field of finance, business, accounting of travel and accommodation, law, for companies