A few days ago, Kristin wrote about Marketcetera's first full production release of its open source automated trading platform. Aimed at hedge fund managers, traders, brokers and dealers, the system is standardized, open, scalable and modular. Ars Technica also points out that over 20 financial institutions have already adopted Marketcetera. The question is: Why doesn't the financial community at large wake up to this kind of opportunity to reduce costs and customize trading through an open source offering?