Asynchronous image downloader with cache support as a UIImageView category

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

A conforming Objective-C WebSocket client library.

A drop-in replacement for UILabel that supports attributes, data detectors, links, and more

iOS library for quickly displaying images while scrolling

A collection of awesome flat UI components for iOS.

A software update framework for macOS

Three20 is an Objective-C library for iPhone developers

ARC and GCD Compatible Reachability Class for iOS and MacOS. Drop in replacement for Apple Reachability

OS X menubar status indicator

An implementation of the sliding menu found in various iOS apps.

Path 2.0 menu using CoreAnimation :)

PKRevealController is a delightful view controller container for iOS, enabling you to present multiple controllers on top of one another.

Reveal side ViewControllers similar to Facebook/Path's menu

Simplify your iOS/Mac analytics

Easily add custom folding and page-flipping transitions to UIViews and UIViewControllers

MBProgressHUD, an iOS activity indicator view

Notice component for iOS (UNMAINTAINED CODE)

A pull-to-refresh view for iOS 5, 100% API-compatible with UIRefreshControl in iOS 6

Cocoa interface to Socket.IO by way of WebSockets.