Blocks are to functions as A2DynamicDelegate is to delegates.

AFNetworking is a networking library for iOS and Mac OS X. It's built on top of the Foundation URL Loading System, extending the powerful high-level networking abstractions built into Cocoa. It has a modular architecture with well-designed, feature-rich APIs that are a joy to use.

AFNetworking Extension for OAuth 2 Authentication.

RFC 4648 Base64 implementation in Objective-C ARC.

The Objective-C block utilities you always wish you had.

CocoaPods is the dependency manager for Objective-C projects. It has thousands of libraries and can help you scale your projects elegantly.

View controller container that presents its child view controllers in two sliding layers. Inspired by the Path 2.0 and Facebook iPhone apps.

ElementParser is lightweight Cocoa Framework (usable on the iPhone) to provide easy access to XML and HTML content.

A portable foreign-function interface library.

Library to encode and decode images in WebP format.

Super Awesome Easy Fetching for Core Data. In software engineering, the active record pattern is a design pattern found in software that stores its data in relational databases. It was named by Martin Fowler in his book Patterns of Enterprise Application Architecture. The interface to such an object would include functions such as Insert, Update, and Delete, plus properties that correspond more-or-less directly to the columns in the underlying database table. MagicalRecord was inspired by the ease of Ruby on Rails' Active Record fetching. The goals of this code are: Clean up my Core Data related code Allow for clear, simple, one-line fetches Still allow the modification of the NSFetchRequest when request optimizations are needed

An iOS activity indicator view.