if you don't need the .xlsx format specifically then something like grist might be something that interest you https://github.com/gristlabs/grist-core https://

if you don't need the .xlsx format specifically then something like grist might be something that interest you https://github.com/gristlabs/grist-core https://github.com/gristlabs/grist-core there's a self hosted option that i tested in docker and it was fairly simple to get set up, but im mainly using the free version at the moment that is hosted by gristlabs themselves. the thing i love about it is being able to use python to write formulas, and also being able to have multiple views on one page such as a table view and then a card view that shows information from whatever item is selected in the table view. ive been using it for about a year now and i couldn't see myself ever going back to regular spreadsheets