Asynchronous socket networking library for Mac and iOS

Methods to allow using HTML code with CoreText

An implementation of the sliding menu found in various iOS apps.

Path 2.0 menu using CoreAnimation :)

The waterfall (i.e., Pinterest-like) layout for UICollectionView.

Xcode plug-in that provides autocomplete for imageNamed: calls

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

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

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

QuickDialog - Quick and easy dialog screens for iOS

Reveal side ViewControllers similar to Facebook/Path's menu

Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+

Source for many of The Omni Group's frameworks

A grid view for iPhone/iPad, designed to look similar to NSCollectionView.

An Objective-C RSS / Atom Feed Parser for iOS

Drop in sharing features for all iPhone and iPad apps

open source implementation of Twitter/iPad stacked ui - done right.

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

Open source release of Canabalt for iOS

A flexible, advanced split-view controller for iPad developers.

UILabel that supports NSAttributedString

A page-turning interface for iOS apps

Generic popover implementation for iOS with same API as the UIPopoverController for the iPad, but configurable with custom background and available for iPhone as well.

PrettyKit for iOS is a small set of new widgets and UIKit subclasses that gives you a deeper UIKit customization. You will be able to change their background color, add gradients, shadows, etc.

Framework for iPhone wireframes

CoconutKit is a productivity framework for iOS, crafted with love and focusing on ease of use

UIScrollView for iPhone with horizontal paging like mobile Safari tabs

CocosBuilder, the visual editor for cocos2d

Deprecated: Grid view library for iOS.

[DEPRECATED]