Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
Apache PDFBox - The Apache PDFBox™ library is an open source Java tool for working with PDF documents.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
IronPDF - SDK for creating and editing PDFs.