DizzyKit removes a lot of boilerplate code for simple animations, while staying extendable.
In Swift, we all deal with JSON, plists, and various forms of [String: Any]. Marshal believes you don't need a Ph.D. in monads or magic mirrors to deal with these in an expressive and type safe way. Marshal will help you write declarative, performant, error handled code using the power of Protocol Oriented Programming™.
ReactiveCocoa (RAC) is a Cocoa framework built on top of ReactiveSwift. It provides APIs for using ReactiveSwift with Apple's Cocoa frameworks.