iOS Design Kit - The newest library of native iOS templates
SlidesPPT - Beautiful free presentation templates for Google Slides
iOS Design Course - The Complete iOS Design Course with Sketch from Bitfountain
Slidebean - Presentations that design themselves
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.
Peetch - The last PowerPoint Pitchdeck you’ll ever need