An open source iOS framework for GPU-based image and video processing

Give pull-to-refresh & infinite scrolling to any UIScrollView with 1 line of code.

iOS and Mac Cocoa library for communicating over USB

Modern NSURLSession based Networking Framework with built in authentication and HTTP 1.1 caching standards support for iOS 8+ devices

Painless high-performance audio on iOS and Mac OS X

Core Animation framework for navigating data by flipping

An animated modal panel alternative for iOS

Expose style navigation for iOS apps

Implementation of iOS 6's folders.

CoreGraphics date-range picking calendar

Form validation framework for iOS.

Touchposé is a set of classes for iOS that renders screen touches when a device is connected to a mirrored display.

Photoshop layer styles for iOS icons. Stop maintaining a separate file for each color, resolution, and style.

Snapshot Stack View cocoa touch class decorates your UIImage's for presentation to the user with matte border, drop shadows and simulated stack of physical photos.

Aviary's photo editing SDK for iOS. Please email api@aviary.com with feedback/issues.

Code for the tutorial "How To Create a Rotating Wheel Control with UIKit" published on raywenderlich.com

Adding UIGestureRecognizers to cocos2d, painless.

iOS UI control displaying a set of thumbnails - resembling iPad's Photos.app toolbar thumbnails view

Demos of the using the Quartz framework (aka Core Graphics) on iOS

UILabel with tap detection on words.

Combination annunciator and activity indicator using Core Animation + Quartz 2D

A waterflow-style view