Ready to design for iPhone 6? Showcase your work with these fully-scalable vector shapes in Photoshop. Courtesy @ PixEden.
Free iOS 7 Illustrator Vector UI Kit for iPhone and iPad
Try your hand at flat mobile design with this freebie UI kit.
Need an iPad Air to display your work? Give this free PSD a try.
An awesome iOS 7 iPad Retina GUI Kit by Chirag via Behance
Another sweet freebie. Design your flat UI with this kit. Courtesy http://dribbble.com/IonutBondoc.
And just like that you've got a full UI Kit for iOS7 design. "Out of Beta" as they say. Big thanks as always to the Teehan+Lax team. http://dribbble.com/gteehan
This flat UI kit is called "Ero Widgets" and comes courtesy of Speckyboy. It's got a nice selection of accent colors on a base white with a series of content widgets to start your next design project.
[PSD] Still not done with #skeuomorphism? Try out this fresh UI Kit for an extra layer of depth in your UI. Courtesy http://dribbble.com/Icondeposit
The New IMDb app for iOS7 (Concept). This is what design dreams are made of. If you want to model your project details or design presentation from something, this would be it.