Nuke is a powerful image loading and caching system. Nuke provides a simple and efficient way to download and display images in your app. Behind its clear and concise API is an advanced architecture which enables its unique features and offers virtually unlimited possibilities for customization.
NYTPhotoViewer is a slideshow and image viewer that includes double-tap to zoom, captions, support for multiple images, interactive flick to dismiss, and animated zooming presentation among other features. NYTPhotoViewer is easy to use with the option for more complicated customization when needed through a delegate relationship.
PKHUD is a Swift based reimplementation of the Apple HUD (Volume, Ringer, Rotation,…) for iOS8 and up. PKHUD features, the official iOS8 blur effect via UIVisualEffectsView, proper rotation support, size / Device agnostic.