The most interesting spreadsheet is http://siag.nu/siag/, but it's obviously not what you're looking for.
Honestly? Excel is a premier application, that microsoft spends extreme amounts of effort making great. There isn't a FOSS spreadsheet program that really comes close. It's not that there can't be, it's that the excel line is moving faster forward than current FOSS spreadsheet projects.
Honestly? Excel is a premier application, that microsoft spends extreme amounts of effort making great. There isn't a FOSS spreadsheet program that really comes close. It's not that there can't be, it's that the excel line is moving faster forward than current FOSS spreadsheet projects.