OpenOffice is the leading Free & Open Source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. Open Office can open all Microsoft Office formats and can do most jobs as well. Open Office is available in many different languages and compatible with all Windows versions. OpenOffice is the best free alternative office software.
OpenOffice is a full-featured office suite offering most features of the well-known Microsoft Office. OpenOffice can Open all Microsoft Office file formats; Create document files, PDFs, presentations; Process spreadsheets and databases; Create and edit graphics,support 3D now!
Operating System: 
Windows XP, Windows 7, Windows Vista, and All Other Windows Versions
Version: The Latest Full Version
Software Price: Free
OpenOffice is the Best Free Alternative of Microsoft Office suite. Open Office is a great software, easy-to-use, and best of all, it's free. Just give it a try. And you will find basically all your office job can be easily done with OpenOffice software suite. OpenOffice is currently used in governments, education, businesses, non-profit organizations, and more.
Open Office is Free and Open Source software. It's free for Personal and Commercial use. The open source licence can be found OpenOffice.org. The Open Office Source Code is also available for download and modify..