In a February 2007 report, Gartner Dataquest found that the compound annual growth rate of open-source software (43%) between 2006 and 2011 will more than quintuple that of proprietary software (8%). The firm projects open-source software sales to reach $4.23 billion in 2007, swelling to $13.10 billion in 2010. Oh, my. I was a literature major, but by my math that means that open source will dwarf proprietary so In a February 2007 report, Gartner Dataquest found that the compound annual growth rate of open-source software (43%) between 2006 and 2011 will more than quintuple that of proprietary software (8%). The firm projects open-source software sales to reach $4.23 billion in 2007, swelling to $13.10 billion in 2010. Oh, my. I was a literature major, but by my math that means that open source will dwarf proprietary software…soon. Well, sometime. But sooner than you think. Not bad…. Open Source