A delightful networking framework for iOS, macOS, watchOS, and tvOS.

An iOS/OSX bridge for sending messages between Obj-C and JavaScript in UIWebViews/WebViews

Three20 is an Objective-C library for iPhone developers

Better playgrounds that work both for Objective-C and Swift

A fast and extensible gapless AudioPlayer/AudioStreamer for OSX and iOS (iPhone, iPad)

socket.io v0.7.2 — 0.9.x for iOS and OS X

Uncrustify utility and documentation browser for Mac OS X

The Amazing Audio Engine is a sophisticated framework for iOS audio applications, built so you don't have to.

A great start point for making AUv3 MIDI sequencer apps.

Building a harmonization engine for game audio using Unity 5 and AudioKit 2.0

An iOS drum pad app that shows the basics of how to build a musical instrument with Core Audio.