Carthage
A simple, decentralized dependency manager for Cocoa
...Carthage builds your dependencies and provides you with binary frameworks, but you retain full control over your project structure and setup. Carthage does not automatically modify your project files or your build settings. Get Carthage by running brew install carthage or choose another installation method. Create a Cartfile in the same directory where your .xcodeproj or .xcworkspace is. List the desired dependencies in the Cartfile. Once you have Carthage installed, you can begin adding frameworks to your project. Note that Carthage only supports dynamic frameworks, which are only available on iOS 8 or later (or any version of OS X). ...