mytrip writes to tell us that Mark Gorton of LimeWire fame is translating his knowledge from moving bits to moving people. Taking profits earned from his software business, Gorton is applying them to projects aimed at making urban transportation safer, faster, and more sustainable. "That's not the only connection between open-source software and Gorton's vision for livable cities. The top-down culture of public planning stands to benefit by employing methods he's lifting from the world of open-source software: crowdsourced development, freely-accessible data libraries, and web forums, as well as actual open-source software with which city planners can map transportation designs to people's needs. Such modeling software and data existed in the past, but it was closed to citizens. Gorton's open-source model would have a positive impact on urban planning by opening up the process to a wider audience, says Thomas K. Wright, executive director of the Regional Plan Association, an organization that deals with urban planning issues in the New York metropolitan area."