Easy, appstore safety component which will allow customize buttons of UIActionSheet. You can change fonts, colors of buttons and add images.

AsyncImageView is a simple extension of UIImageView for loading and displaying images asynchronously on iOS so that they do not lock up the UI.

Mock objects for Objective-C

An XMPP Framework in Objective-C for Mac and iOS

Source code for the tutorial "Building a Jabber client for iOS"

A simple open source implementation of a Pinterest Pinboard for iOS

A drop-in universal solution for moving text fields out of the way of the keyboard in iOS

Example use of switching between multiple views with an UISegmentedControl

A carefully implemented iOS objective-c library to mimic the sidebar layout of the new Facebook app and Path 2.0 app.

A simple open source implementation of a Pinterest Pinboard for iOS

How to create, develop, and distribute iOS Static Frameworks quickly and efficiently

UIImage Resizing Category, easily resize UIImages the right way.

subclass of UILabel to use Core Text

URL aware TextView for iOS

A Cocoa / Objective-C wrapper around SQLite

A command-line twitter client with smart filtering and statistical classification

teleportd 1.x API libs

A set of efficient categories for UIImage class. It allows filtering, resizing, masking, rotating, enhancing... and more.

UIViewController subclass that can have multiple UIViewControllers children and 'it just works'! No keeping in memory when views are not visible, working navigationController, parentController, int…

iOS example project - Using a datasource to configure UITableViewCell with with CoreData Models. (iOS5+ARC)

UIViewControllers containment predating Apple implementation. Works in both 4.x and 5.x iOS, no memory or hierarchy issues.

MailChimp API Wrapper with support for API 1.3

RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X

Test Framework for Objective-C

a Tweetie-style tab bar for the iPhone

Getting Started with iOS Development using Sinatra on Heroku / Cedar (Client)

Getting Started with iOS Development using Sinatra on Heroku / Cedar (Client)

How to create, develop, and distribute iOS Static Frameworks quickly and efficiently

Simple HTTP Rest Library for iPhone and Cocoa projects.

Various Objective-C utilities originally pulled from the ObjectiveResource project, but now having a more utilitarian slant.