Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Viravis - Online Database Application Platform, Free Web-Based Database Software | Viravis
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
InfoDome - Online database management
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
EtherCalc - EtherCalc is a web spreadsheet.