OpenOffice 4 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 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 runs stably and natively on Solaris, Linux (including PPC Linux), Windows, Mac OS X, and numerous other platforms.
Written in C++ and with documented APIs licensed under the LGPL and SISSL Open Source licenses, OpenOffice allows any knowledgeable developer to benefit from the source. And, because the file format for OpenOffice is XML, interoperability is easy, making future development and adoption more certain.