Easily convert your SVG files into CGPaths, CAShapeLayers, etc.
Google Toolbox for Mac
Create native Mac applications from command line scripts
A conforming Objective-C WebSocket client library
Visual Automation IDE — automate anything you see on screen
A conversion framework between JSON and model
A collection of categories and utilities that extend UIColor
Cocos2d for iOS and OS X, built using Objective-C
Graphical Pretty Print C++ Compiler