OpenOffice.org the product is a multi-platform office productivity suite. It includes the key desktop applications, such as a word processor, spreadsheet, presentation manager, and drawing program, with a user interface and feature set similar to other office suites. Sophisticated and flexible, OpenOffice.org also works transparently with a variety of file formats, including those of Microsoft Office .

Available in over 45 supported languages with more being constantly added by the community, OpenOffice.org runs stably and natively on Solaris, Linux (including PPC Linux), Windows, Mac OS X (X11), and numerous other platforms. Our porting page lists the platforms (ports) that OpenOffice.org can run on .
Written in C++ and with documented APIs licensed under the LGPL and SISSL Open Source licenses, OpenOffice.org allows any knowledgeable developer to benefit from the source. And, because the file format for OpenOffice.org is XML, interoperability is easy, making future development and adoption more certain .

Homepage - http://www.openoffice.org

Download for Windows: 150MB

Download for Linux: 136MB