Feedbacks is a tool to build feedback loops within a Swift based application. Feedbacks relies on DSL written state machines and Apple's Combine. It is compatible with SwiftUI and UIKit.
RxFlow is a navigation framework for iOS applications based on a Reactive Flow Coordinator pattern.
Spin is a tool to build feedback loops within a Swift based application allowing you to use a unified syntax whatever the underlying reactive programming framework and whatever Apple UI technology you use (RxSwift, ReactiveSwift, Combine and UIKit, AppKit, SwiftUI).