Instagram claimed

Interface for tracking allocations and generations of objects

Performant animated GIF engine for iOS

iOS library for parsing, formatting, storing and validating international phone numbers from libphonenumber library

UICKeyChainStore is a simple wrapper for Keychain that works on iOS and OS X. Makes using Keychain APIs as easy as NSUse

It allows iOS Developers to manage the layout of their views using the power of Yoga

An easy way to add a simple, shimmering effect to any view in an iOS app

Simple utility class for zipping and unzipping files

The Apache Thrift software framework, for scalable cross-language services development, combines a software stack with a

ZipZap is a zip file I/O library for Mac OS X and iOS

Collection of low-level libraries making mobile app development easy

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

Simple, modern, thread-safe key-value observing

Tool for reminding users to review your app

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

Extensible animation engine for static animations, spring and decay dynamic animations

Official Facebook SDK for iOS to access Facebook Platform Login feature

This open-source library allows you to integrate Facebook into your iOS app

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

A collection of low-level libraries making mobile app development easy

A fast, simple, powerful & flexible logging framework for Mac and iOS