A powerful and easy to use category view (segmentedcontrol, segmentview, pagingview, pagerview, pagecontrol) (腾讯新闻、今日头条、QQ音乐、网易云音乐、京东、爱奇艺、腾讯视频、淘宝、天猫、简书、微博等所有主流APP分类切换滚动视图)

Open Source Computer Vision Library

Asynchronous socket networking library for Mac and iOS

An XMPP Framework in Objective-C for Mac and iOS

Cross-Platform Mobile APP Development Engine

Cross-Platform Mobile APP Development Engine

An extensible iOS and OS X animation library, useful for physics-based interactions.

Example App: How To Efficiently Display Large Amounts of Data on iOS Maps

中文版 Apple 官方 Swift 教程《The Swift Programming Language》