OpenOffice.org

Product: OpenOffice.org v3.2.1
Website: www.openoffice.org
Type: Open Source
Requirements: Windows XP/Vista/7

OpenOffice.org is both an open-source product and a project. The product is a multiplatform office productivity suite. It includes desktop applications such as a word processor, a spreadsheet program, a presentation manager, and a drawing program, with a user interface and feature set similar to those of other office suites. OpenOffice.org also works transparently with a variety of file formats, including those of Microsoft Office.