Fresh Air is an application update library. It is designed to check a remote location for application updates and if updates are available, it prompts the user to upgrade the application. When the new version of the application is started, a dialog can be presented that showcases the new features to the user.
Tracklytics is an annotation based analytic tools aggregator with using AOP to track events and crashes. It basically collects all analytic/tracking tools together and provide a simple and clean solution without polluting your code base.