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

Objective-C JSON

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

Beautifully done UIAlertView and UIActionSheet replacements inspired by TweetBot

zip file I/O library for iOS, macOS and tvOS

A simple, sensible, block-based XML API for iOS and Mac development.

Super-fast, lightweight, easy to use XML parser for the Mac & iOS

Categories and helper classes for iOS projects.

UserVoice iOS SDK

A better model framework for Objective-C

'Guess the Artist' for iPhone, powered by the Rdio API

iPhone "find the monkey" game

This is an premade version of about me iOS RootViewController. Easy to use, just replace images and done.