Three20 is an Objective-C library for iPhone developers

Magical Data Modeling Framework for JSON - allows rapid creation of smart data models. You can use it in your iOS, macOS, watchOS and tvOS apps.

iOS-app template with lots of common tasks solved

Extract iOS artwork and emoji symbols into png files, generate glossy buttons png files

ControlPlane - context-sensitive computing for OS X

A framework for developing interfaces on the Mac.

Official repository of the system preference pane Launchpad-Control.

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

Managing windows size and position in OSX

The simple, standalone XML Stream Writer for iOS

A simple dev tool for snooping SMTP connections to a fake mail server on Mac OS X

Plugin for Path Finder Mac App - Opens chosen file or folder in Sublime Text Editor (Based on Open in Textmate Plugin)