If you think that OpenOffice.org is just an open source alternative to Microsoft Office, think again. Find out how it can serve as a component in your Web-based spreadsheet applications.

If you love using macros in spreadsheets, OpenOffice macros might suit all your needs ...

Glide, the suite of Web 2.0 apps for the desktop and mobile device, adds a spreadsheet tool Wednesday and support for OpenOffice.org on Thursday.

The spreadsheet component of OpenOffice.org is called Calc. Like Google Docs Spreadsheet, it provides most of the tools that you would need in a spreadsheet program including charts, DataPilot (the ...