Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Stripe Atlas - The best way to start an internet business
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
PowerPlug Pro - PowerPlug Pro is a PC Power Management software that saves companies up to 60% on PC energy costs; also includes the patented Wakeup Portal.
Apple Numbers - Numbers lets you build beautiful spreadsheets on a Mac, iPad, or iPhone — or on a PC using iWork for iCloud. And it’s compatible with Apple Pencil.
Apache OpenOffice Calc - Calc, part of the https://alternativeto.