OpenOffice Open Office 3.x - Special Edition Bundle for Windows (XP, Vista, Windows 7) Includes Word Processor, Spreadsheet, Database, Presentation, and Graphing programs Fully compatible with nearly all modern office file formats, including .doc, .xls, .ppt, .wps, etc.. Will export directly to all of these formats, plus will create .PDF files natively Install the software onto as many systems as you like. Supported by a massive user and programmer community