Drop in sharing features for all iPhone and iPad apps

zip file I/O library for iOS, macOS and tvOS

NSWindow subclass with a highly customizable title bar and traffic lights

A stable, mature and comprehensive Objective-C library for Twitter REST API 1.1

An understated approach to iOS integration testing.

A Cocoa NSFormatter subclass to convert dates to and from ISO-8601-formatted strings. Supports calendar, week, and ordinal formats.

iOS 5.0/5.1/6.0/6.1/7.0/7.1/8.0/8.1 Headers of All Frameworks (private and not) + SpringBoard

Ready to use on screen Joysticks and Buttons for iOS gaming. It's pretty solid. Give it a try! As featured in multiple Apress books about iPhone and iPad 2D Game Development

Dead simple SpringBoard-like grid menu for iOS with landscape support

EDN I/O library for Objective-C (MacOS and iOS)

Badass Mac (Cocoa) REST Client written in Objective-C++