Many people know about OpenOffice, StarOffice, and NeoOffice, but few seem to know about one of the most powerful features of OpenOffice...extensions. OpenOffice has a built-in extension manager (go to "Tools" > "Extension Manager") where one can add extensions to enhance the function and usability of OpenOffice. Visit the OpenOffice Extensions Page and download your favorite extensions...then use the extension manager to install them to OpenOffice. I highly recommend you grab the OpenOffice.org2GoogleDocs extension.
Export and Import your documents to Google Docs from OpenOffice.org, and from OpenOffice.org to Google Docs.
It can upload:
* Documents: OpenDocument Text (.odt), StarOffice (.sxw), Microsoft Word (.doc, but not MS XML), Rich Text (.rtf)
* Spreadsheets: OpenDocument Spreadsheet (.ods), Microsoft Excel (.xls), Comma Separated Value (.csv)
There are several template, clip art, and accessory extensions which will populate your OpenOffice installation with clips, templates, and more!