Stuart Hall

TwitterStreams. iOS5 compatible Twitter streams using TwRequest

Instagram. Instagram ObjectiveC Library

ios_global_popup_alert. Provides a popup alert for iOS similar to Instagram's error messages.

Unretiner. Creates standard res images from retina size images

iOS-Buttons. Simple scalable iOS buttons

AppDotNetSheet. Objective-C

ios_async_image_view. Asynchronous UIImageView for iOS

Flipper. Objective-C

UIStrokedLabel. Custom UILabel that provides outlining / stroking

GlobalProgressAlert. Objective-C

NSTimer-Blocks. Simple category on NSTimer to give it blocks capability.

Reachability. ARC and GCD Compatible Reachability Class for iOS and MacOS. Drop in replacement for Apple Reachability

facebook-ios-sdk. Facebook SDK for iOS

apn_on_rails. Apple Push Notifications on Rails

FPPopover. FPPopover provides an alternative to the native iOS UIPopoverController, adding support for iPhone and additional opportunities to customize the look and feel of the popovers.

EGOTableViewPullRefresh. A similar control to the pull down to refresh control created by atebits in Tweetie 2.

MKInfoPanelDemo. Non-modal, non-intrusive Info Panel implementation as seen on some "popular" apps

three20. Three20 is an Objective-C library for iPhone developers

DDPageControl. An easily customizable alternative to UIKit's UIPageControl

JSONKit. Objective-C JSON

FlatUIKit. A collection of awesome flat UI components for iOS.

PhFacebook. MacOSX Interface to Facebook graph API

FacebookLikeView. A Facebook Like button for native iOS apps

NoticeView. A TweetBot-like notice component for iOS.

CocoaAsyncSocket. Asynchronous socket networking library for Mac and iOS

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

cocoalibspotify. A Cocoa wrapper for libspotify

stl-oauth-client. OAuth 1.0a client using AFNetwork.

OHAttributedLabel. UILabel that supports NSAttributedString

WEPopover. 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.

OAuthConsumer. fork of http://code.google.com/p/oauth/ 's Obj-C 2 API

TouchXML. Official "clone" of TouchXML from TouchCode