视频：
Controlling Complexity in Swift
文章：
An Observable Pattern Implementation in Swift: Swift的观察者模式实现
When to Use Swift Structs and Classes: Swift中何时使用Structs和Classes
Optional Computed Properties in Swift Protocols: 声明Optional Computed properties
Protocol Oriented Programming in the Real World: Swift Protocol Oriented Programming的使用例子。
Swift Functors, Applicatives, and Monads in Pictures:
学了点haskell，在swift中新加的很多语言特性都是从haskell那里“抄”来的，比如强大的枚举、switch等等。functor、applicative和monads历来是haskell学习中相对比较难理解的概念，这篇文章用swift简明易懂的做了解释。
开源代码：
Blurable: Apply a Gaussian Blur to any UIView with Swift Protocol Extensions
Neon:A powerful Swift programmatic UI layout framework.Build dynamic and beautiful user interfaces like a boss, with Swift.
Async: Syntactic sugar in Swift for asynchronous dispatches in Grand Central Dispatch