LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
EtherCalc - EtherCalc is a web spreadsheet.
Apache OpenOffice Calc - Calc, part of the https://alternativeto.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Gnumeric - Gnumeric