Open Office or MS Office

LEFT: Open Office 53.8%
OpenOffice.org is an office application suite available for a number of different computer operating systems. It supports the OpenDocument standard for data interchange as its default file format, as well as Microsoft Office '97-2003 formats, among many others.
RIGHT: MS Office 46.2%
Microsoft Office is a system of interrelated applications in a desktop office suite and server-side services from Microsoft for the Microsoft Windows and Mac OS X operating systems. Office was introduced by Microsoft in 1989 on Mac OS, with a version for Windows in 1990. Initially a marketing term for a bundled set of applications, the first version of Office contained Microsoft Word, Microsoft Excel, and Microsoft PowerPoint. Additionally, a "Pro" version of Office included Microsoft Access and Schedule Plus. Over the years, Office applications have grown substantially closer with shared features such as a common spell checker, OLE data integration and Microsoft Visual Basic for Applications scripting language. Microsoft also positions Office as a development platform for line-of-business software under the Office Business Applications (OBA) brand.

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