Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
SMMRY - Summarize articles, text, websites, essays and documents for free with SMMRY.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
Free Summarizer - Summarize *any* text online in just a few secs. *MAGIC*
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
TLDR This - Automatically summarize any article or webpage in a click.