Which of these is NOT an alternative to Microsoft Excel?

Which of these is NOT an alternative to Microsoft Excel?

• LibreOffice Calc
• GIMP
• Gnumeric
• Google Drive - Sheets

EXPLANATION

GIMP is an image manipulation software for multiple platforms. WIkipedia describes it as a free and open-source raster graphics editor used for image retouching and editing, free-form drawing, resizing, cropping, photo-montages, converting between different image formats, and more specialized tasks. https://en.wikipedia.org/wiki/GIMP
It is more like an alternative to Adobe PhotoShop.
The other applications are actually alternatives to Microsoft Excel.
https://alternativeto.net/software/microsoft-excel/