SD WebImage is a library that provides an asynchronous image downloader with memory and disk image caching. It includes categories for user interface elements such as UIImageView, UI Button, and MKAnnotationView.
FLAnimatedImage is a performant animated gif engine for iOSthat cna play multiple gifs with a play back speed that comparable to the speed of a computer. FLAnimatedImage is good for apps that do not yet support gifs or apps that want higher performance.
Kingfisher is a lightweight and pure-swift library for downloading and caching images from the web. Kingfisher with requirements of iOS10.0+ / macOS 10.12+ / tvOS 10.0+ / watchOS 3.0+ and Swift 4.0+ provides you a chance to play with your images better in your next app.
Fast Image Cache is an efficient, persistent, and above all fast way to store and retrieve images in your iOSapplication. Part of any good iOSapplication's user experience is fast, smooth scrolling, and Fast Image Cache helps make this easier A significant burden on performance for graphics-rich applications like Path is image loading. The traditional method of loading individual images from disk is just too slow, especially while scrolling. Fast Image Cache was created specifically to solve this problem.
GPUImage framework is a BSD-licensed iOSlibrary that lets you apply GPU-accelerated filters and other effects to images, live camera video, and movies. TGPUImage library is very efficient in handling massively parallel operations like processing images or live video frames as GPUs have some significant performance advantages over CPUs.
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.
SKPhotoBrowser is a simple PhotoBrowser/Viewer inspired by facebook, twitter photo browsers written by swift. SKPhotoBrowser features displaying one or more images by providing either UIImage objects, or string of URL array, photos can be zoomed and panned, and optional captions can be displayed, minimalistic Facebook-like interface, swipe up/down to dismiss, ability to custom control. (hide/ show toolbar for controls, / swipe control).
YLGIFImage is an asynchronized GIF image class and Image viewer supporting play/stop GIF images. YLGIFImage makes you of far less memory. Implementing a GIF usually will cost almost 600MB memory if it is fully decoded (800x600x389x4 Bytes), but using YLGIFImage would greatly reduce this to just about 30MB memory.