VisionMobile published a report on the different open source technologies used in the mobile space, describing who is using open source, where they are using it, and how they are using it, a must read.
I'm a mobile enthusiast, working with smartphone platforms such as iPad/iPhone, Android, and BlackBerry. I have a Ph.D. in Computer Science from Florida Atlantic University. I'm currently the Director of Mobile Development at Modernizing Medicine. You can find me on Twitter @MihaiFonoage.