OpenOffice.org is an Open Source, community-developed, 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.

Components include:
  * A universal word processing application for creating business
    letters, extensive text documents, professional layouts, and HTML
    documents.
  * A sophisticated application for performing advanced spreadsheet
    functions, such as analyzing figures, creating lists, and viewing data.
  * A tool for creating effective eye-catching presentations.
  * A vector-oriented draw module that enables the creation of 3D
    illustrations.