"Looking for an alternative to Microsoft Office? Try OpenOffice, touted as one of the best alternatives to MS Office. OpenOffice competes almost feature-for-feature with Microsoft Office. Primarily, OpenOffice is a multiplatform and multilingual office suite which is open source and, as a result, is available not only for Windows but also for Mac OS X, Sun Solaris, and Linux. And, most important, it's absolutely free!
"The suite includes word processor, spreadsheet, presentation, vector drawing and database components..."