13 Bones

Simple category on UIImageView for loading and displaying images asynchronously on iOS so that they do not lock up the U

Suite for reading bar codes from various sources, such as video streams, image files and raw intensity sensors

Objective-C library for detecting running device model and screen size.

Facebook Mobile SDKs for authentication, sharing, advertising, etc.

Google's mobile app analytics SDK

DACircularProgress is a UIView subclass with circular UIProgressView properties

Reliable, open-source crash reporting for iOS and Mac OS X

Simple wrapper for accessing accounts, managing passwords, using the system keychain on Mac OS X and iOS

Simple utility class for zipping and unzipping files

A drop-in universal solution for moving text fields out of the way of the keyboard in iOS

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

Simplified carousels (paged, scrolling views)

A simple, robust way to accept payments or enable buying from almost anywhere -- in your mobile app or online. On top of

Official Facebook SDK for iOS to access Facebook Platform's core features

UIView subclass that replicates the iOS 7 realtime background blur effect, but works on iOS 5 and above

The PayPal iOS SDK makes it easy to add PayPal and credit card payments to mobile apps

Official Facebook SDK for iOS to access Facebook Platform Login feature

Widely used networking for iOS and Mac OS X

Asynchronous image downloader with cache support

Drop-in class that displays a translucent HUD with an indicator and/or labels