Backdrops - The only wallpapers you'll ever need. Say hello to Backdrops.
Mobbin - Latest mobile design patterns & elements library
Pitch Black Wallpaper - Pitch Black Wallpaper is an application, allowing you to set the pitch-black wallpaper to your smartphone or tablet.
pttrns - iPhone and iPad user interface patterns
WallpapersCraft - HD & 4K wallpapers
UX Archive Animated - iOS apps animated user flows