Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
MaxCut - It's easy! You input the sizes and materials, MaxCut does the rest!
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
Easy Cut Studio - Easy Cut Studio is a vinyl cutting software to design and cut signs, logos, lettering, shapes, and decals.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
CutList Optimizer - A free cutlist optimizer