OpenOffice.org, OpenOffice, or OOo is a useful software literally replacing the service offered by Microsoft Office package. As Microsoft Office gained predominant share in the market, the OpenOffice.org was launched to minimize Microsoft Office market share. OpenOffice.org being open source software it is available from most websites for no cost. OpenOffice.org was developed using its own GUI toolkit.
OpenOffice.org is now capable of operating in almost all windows platform and Linux platform. With OpenOffice.org it is possible to create presentation, spreadsheets, text documents, draw diagrams, create a database and even it is possible to create XML and HTML documents.