Three20 is an Objective-C library for iPhone developers

App Sales allows iPhone and Mac App Store developers to download and analyze their daily and weekly sales reports from iTunes Connect.

A port of Ruby on Rails' ActiveResource to Objective-C (and specifically the iPhone)

A set of tools for Sketch App plugins developers

An Objective-C database abstraction framework.

FlickTabControl is an easy to use library of the "Flick" tab bar, originally inspired by the implementation of tabbing in Facebook's iPhone application. [tags:iphone,objective-c]

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