A GNOME spreadsheet application
Gnumeric is a spreadsheet program. It has the ability to import and
export data in several file formats, including CSV, Microsoft Excel,
Microsoft Works spreadsheets (.wks), HTML, LaTeX, Lotus 1-2-3,
OpenDocument and Quattro Pro; its native format is the Gnumeric file
format (.gnm or .gnumeric), an XML file compressed with gzip.