iOS Design Kit - The newest library of native iOS templates
DevDojo - Dev tools and resources for building awesome stuff
iOS Design Course - The Complete iOS Design Course with Sketch from Bitfountain
UXsniff - Track user behavior on your website and improve conversions with UXsniff: the user experience watchdog that looks out for you.
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
UX Recipe - Checklist to discover your next UX project tools/techniques