QuartzCore

GPU ImageBradLarson/GPUImage

An open-source iOS framework for GPU-accelerated image and video processing using OpenGL ES 2.0.

PNChartkevinzhow/PNChart

A simple and beautiful animated chart library for iOS applications.

YYTextibireme/YYText

A powerful iOS framework for displaying and editing rich text with high performance and extensive features.

FLAnimatedImageFlipboard/FLAnimatedImage

A high-performance animated GIF rendering engine for iOS applications.

SVPullToRefreshsamvermette/SVPullToRefresh

Add pull-to-refresh and infinite scrolling to any UIScrollView with a single line of Objective-C code.

Readervfr/Reader

A universal, high-performance PDF reader core for iOS apps with iBooks-like navigation and multithreaded rendering.

MRProgressmrackwitz/MRProgress

A collection of iOS drop-in components to visualize progress with blurred overlays, activity indicators, and progress views.

YYCacheibireme/YYCache

A high-performance memory and disk cache framework for iOS with LRU eviction and NSCache-compatible API.

DACircularProgressdanielamitay/DACircularProgress

A UIView subclass for iOS that provides circular progress indicators similar to Facebook's photo progress indicator.

EBPhotoPagesEddyBorja/EBPhotoPages

A feature-rich iOS photo gallery library with tagging, commenting, and social features, built using the State Pattern for easy customization.

MYBlurIntroductionViewMatthewYork/MYBlurIntroductionView

A powerful iOS library for building customizable app introductions and tutorials with blur effects and custom panels.