Since Apple opened up the iPhone and iPod Touch operating system to outside developers and gave them a place to sell their wares – the AppStore – a new breed of mind mapping tools has quickly emerged that enable you to capture your ideas any time, anywhere. These programs vary widely in their capabilities, but all offer some intriguing capabilities that promise a bright future for visual diagramming on this amazingly popular pair of mobile devices. Here is a brief summary of 8 mind mapping tools for the iPhone and iPod Touch.