ObjectiveFlickr, a Flickr API framework for Objective-C

An Objective-C augmented reality kit for iPhone.

A Singleton Macro that swaps method implementations at runtime so that only the initialization portion will require syncrhonization (lock)

DEPRECATED Test Framework for Objective-C

Objective-C JSON

UDTableView allowsMultipleSelection backport to pre iOS5

Map and chart the signal type and strength on your iOS device

iGig keep your music and your lyrics and songnotes in order

Used to integrate the Facebook Platform with your iOS & tvOS apps.

Cocos2d for iOS and OS X, built using Objective-C

This project shows the kind of data a rogue iPhone application can collect.

tap + haiku = tapku, a well crafted open source iOS framework

Three20 is an Objective-C library for iPhone developers

Easy to use CFNetwork wrapper for HTTP requests, Objective-C, Mac OS X and iPhone