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

LuLu is the free open-source macOS firewall

Performant animated GIF engine for iOS

Three20 is an Objective-C library for iPhone developers

An extension for Apple's xcodebuild that makes it easier to test iOS and macOS apps.

Prevents your Mac from going to sleep.

Easy to use CFNetwork wrapper for HTTP requests, Objective-C, Mac OS X and iPhone

A lightweight macOS window and app manager scriptable with JavaScript

Cocos2d for iOS and OS X, built using Objective-C

tap + haiku = tapku, a well crafted open source iOS framework

Style iOS apps with a stylesheet, similar to CSS

This framework implements a strict JSON parser and generator in Objective-C.

iOS and Mac Cocoa library for communicating over USB

This iOS framework allows settings to be in-app in addition to or instead of being in the Settings app.

👆 Convenient UITableViewCell subclass that implements a swippable content to trigger actions (similar to the Mailbox app).

A modern photo viewing experience for iOS.

iOS-app template with lots of common tasks solved

Programmers' editor for OS X [DEAD PROJECT]

NeXTSTEP-like desktop environment for Linux

A streaming audio player class (AudioStreamer) for Mac OS X and iPhone.

A simple iPhone TableViewController for adding pull-to-refresh functionality.

A lightweight dependency injection framework for Objective-C

A DSL for Data Manipulation

Flexible and production-ready Mustache templates for MacOS Cocoa and iOS

A page-turning interface for iOS apps

The Super Debugger, a realtime wireless debugger for iOS

Objective-C Twitter integration library for Mac OS X and iPhone. Official repository.

NSWindow subclass with a highly customizable title bar and traffic lights

Sample Code

iPhone game