Reachability.swift is a replacement for Apple's Reachability sample, re-written in Swift with closures. It is compatible with iOS (8.0 - 12.0), OSX (10.9 - 10.14) and tvOS (9.0 - 12.0). Just drop the Reachability.swift file into your project. That's it! The Swift Package Manager is a tool for automating the distribution of Swift code and is integrated into the swift compiler. You can integrate using Apple's Swift package manager from xcode.