https://en.wikipedia.org/wiki/Cloud_computing#Service_models
https://api.libreoffice.org/examples/DevelopersGuide/examples.html
https://help.libreoffice.org/6.3/en-US/text/sbasic/python/python_programming.html
https://www.ibm.com/ca-en/marketplace/data-capture-and-imaging/details
https://www.ibm.com/community/automation/digital-business-automation/data-capture/
https://www.youtube.com/playlist?list=PLOspHqNVtKAAfr_JonvXfrsOld4_hwBO4
https://besu.hyperledger.org/en/stable/HowTo/Interact/APIs/Using-JSON-RPC-API/