The "Visible Network" is CarnivorePE client that permit visualize, using augmented reality technology, the data that is interchanged in a wireless network. Print the mark, connect you webcam and run the program and you will see how it works... !!!
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.