"2007 was an eventful year for the commercial open source industry. We have seen many new entrants, and now there are hundreds of viable companies that are based on open source, filling nearly every segment of the software market. We have seen significant exit events from companies such as XenSource and Zimbra that further validate the viability of open source-based businesses. Additionally, we have seen the growth of new consortia such as the OSA and the Linux Foundation that exist to help address common problems facing these businesses.
"Meanwhile, there continues to be extensive business model experimentation, as different companies try different ways of monetizing open source..."
