Getscreen.me - Remote access from a browser. Free trial is available. Simple and easy to use screen sharing software.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
VirtualHere - Allows USB devices to be used remotely over a network just as if they were locally connected!
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.