What I have been told is that very few proprietary start-ups exist. Open source creates too much momentum too quickly for most proprietary start-ups to compete. The strategy, even for firms with proprietary code, is to push out some code as open source, try to set a standard, and then hold back something better for those with more money than time.
Read ZDNet open source blogger Dana Blankenhorn thought’s on proprietary vs. open-source development. Plus, Open source standards and proprietary profit also on ZDNet. Learn more about open source and add what you know at the Whats New Media Wiki.