Unless you're a college student or have access to it at work, Microsoft Office 2013 (or Office 2011 for Mac OS X) costs at least $140 per seat, or $220 with Outlook. But why buy the cow when you can get the milk for free? Does Office provide $12 a month worth of value when productivity tools such as Libre (a.k.a. "The Free") Office are available at no cost? Decide for yourself. The CRN Test Center looked at what's new in LibreOffice 4.0 and how some commonly used features compare with those of Microsoft's suites.