Open Office is free office software that is developed and maintained by the organization OpenOffice.ORG. The Open Office suite of tools–Writer, Calc, Impress, and Draw– offers comparable capabilities to Microsoft Office’s suite of tools–Word, Excel, and PowerPoint.

OpenOffice Writer is a word processing application similar to Microsoft Word. OpenOffice is an open source software suite, and in addition to the Writer application, it includes Base, Calc, Draw, Impress and Math, all comparable to Microsoft Office applications. OpenOffice is available to be downloaded for free. It is considered open source because its source code is publicly accessible, and users are welcome to improve upon the existing code.