Check out our app recommendation visualization -- called App Web. It's built on d3.js and displays iOS store as a web of interconnected apps. You can discover similar apps to your own, find new apps or just create beautiful webs of apps.
This group is an attempt to organize iOS developers in the Central Florida area. The group's purpose is to help developers further their iOS, iPhone, iPad education, and network with fellow iOS developers in the area. Anyone who wants to learn, teach, and get to know your fellow geeks should join.