The easy to use Swift JSON decoder. Unbox is lightweight, non-magical and doesn't require you to subclass, make your JSON conform to a specific schema or completely change the way you write model code. It can be used on any model with ease.
When the Fabric team at Twitter wrote their new iOS app, they turned to Swift. Why? Javi Soto walks through their decision, and tells why they picked a language that emphasizes stability and maintainability & supports dependency injection, code generation, MVVM, and error reporting.