OpenOffice.org 3.0 was released in October 2008 as a free and open-source alternative to Microsoft Office. It includes word processing, spreadsheet, presentation, graphics, database, and equation editing programs comparable to Microsoft Word, Excel, PowerPoint, and Access. OpenOffice.org files can be saved in popular formats compatible with Microsoft Office and other systems, and it can export documents to PDF. The software's key features and programs are described.