Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
FileHamster - Personal Revision Control - File Hamster - File and Document Revision, Retrieve and Restore
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
ForeverSave - Data loss, caused by application crashes and unintentional overwriting will become history.
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.
AutoArchive - AutoArchive is a simple utility to help create backups more easily.