CocoaPods is the dependency manager for Cocoa projects. It has thousands of libraries and can help you scale your projects elegantly.

Think of it as PHP's Composer, but for iOS/Mac apps! My team Alpha at AOL used this for building the Pip messaging app.

"ASIHTTPRequest is an easy to use wrapper around the CFNetwork API, makes some of the more tedious aspects of communicating with web servers easier. It is written in Objective-C and works in both Mac OS X & iPhone apps. It is for basic HTTP requests & interacting with REST-based services (GET / POST / PUT / DELETE)."