A subclass of Formatter that can convert to and from midi note numbers and midi note names

Example polyphonic synthesiser written in Swift using CoreAudio.

Application for generating and comparing different musical intervals

Struct to represent a rational number with a numerator and denominator with basic math operations

Classes for using Hot Key Event with you application, NSControl subclass for getting Hot Key Event from the user and a class for translation between key codes and characters.

An implementation of a trie in Objective-C, NDTrie contains an immutable version NDTrie and a mutable version NDMutableTrie

A NSView subclass to act as the view for a View Controllers, add additional functionality similar to iOSs UIViewController

Objective-C JSON parser

Objective-C wrapper for Apples Alias Manager, Deprecated see issues for details

ScrollView subclass that lets you insert a view within the scroll bars NSScroller view, for things like zoom controls.

UIControl subclass that turns its UIButton subviews into radio buttons.

Wrapper for Apples carbon process API.

Implementation of a Binary Heap in Objective-C for Mac OS and iOS

View that resizes itself and its parents based on how many subviews are visible.

iOS GUI control element, representing a dial or touch disc

Category of NSAppleEventDescriptor that adds coercion to and from a lot of additional types.

Fiber implementation for Mac OS X and Cocoa