OpenOffice.org 3.0
The popular -- and free -- open source productivity suite hit its milestone 3.0 version in 2008, making it more clear than ever that its functionality and compatibility with Microsoft Office (including OpenOffice Impress, which is PowerPoint compatible) make it a force to be reckoned with. With an acquisition cost of between $150 and $200 less than Microsoft Office 2007, it could have a big year in a down economy in 2009.
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