FXForms is an Objective-C library for easily creating table-based forms on iOS. It is ideal for settings pages, or user data entry tasks.
A Cocoa library to extend the Objective-C programming language.
Test Framework for Objective-C
An XML/HTML parser for Objective-C, inspired by Hpricot.
Computer Science and Web Education, Training, and Entertainment | Topfunky Corporation
Poweful dependency injection for iOS & OSX (Objective-C & Swift)
Typhoon - Powerful Dependency Injection for Objective-C & Swift typhoon - a new dependency injection container for objective-c
A light-weight TDD / BDD framework for Objective-C & Cocoa
A lightweight zero-config image cache for iOS, in Objective-C.
An Objective-C category that adds toast notifications to the UIView object class.
Objective-C Twitter integration library for Mac OS X and iPhone. Official repository.
Cocoa Source Code - Matt Gemmell open source code for ios (cocoa touch) and mac os x (cocoa), by matt gemmell. mgtwitterengine, mgsplitviewcontroller, and more.
A Matcher Framework for Objective-C/Cocoa