RZTransitions - A library of personalized iOS View Controller Animations and Interactions. RxGesture - RxSwift reactive wrapper for see gestures. STDevRxExt - STDevRxExt consists of some extension capabilities for RxSwift and RxCocoa which can make our reside uncomplicated. RxWebSocket - Reactive extension more than Starscream for websockets. ReactiveSwift - Streams of values in excess of time by ReactiveCocoa team.