Xcode is under the Developer Tools Category in the Mac App Store, and for now this $10 application is being offered for FREE by Apple Inc.
"Xcode provides everything developers need to create great applications for Mac, iPhone, and iPad. Xcode 4 has been streamlined to help you write better apps. It has unified user interface design, coding, testing, and debugging all within a single window. The Xcode IDE analyzes the details of your project to identify mistakes in both syntax and logic, it can even help fix your code for you." Apple Inc.
-Thanks for reading and Happy Tech(:
