LibreOffice - Calc
Open Source
LibreOffice Calc is the spreadsheet component of the LibreOffice software package.
EtherCalc
Open Source
EtherCalc is an opensource web spreadsheet.
Gnumeric
Open Source
Gnumeric is a spreadsheet program that is part of the GNOME Free Software Desktop Project.
Compare Apache OpenOffice Calc with alternatives
Compare LibreOffice - Calc and Apache OpenOffice Calc and decide which is most suitable for you.
Compare Gnumeric and Apache OpenOffice Calc and decide which is most suitable for you.
Compare EtherCalc and Apache OpenOffice Calc and decide which is most suitable for you.