1. CcnstatusitemCCNStatusItem is a subclass of NSObject to act as a custom view for NSStatusItem. It supports a customizable statusItemWindow handling any viewController for presenting the content.
2. CngridviewCNGridView is a (wanna be) replacement for NSCollectionView. It has full delegate and dataSource support with method calls like known from NSTableView/UITableView.
3. CnsplitviewCNSplitView is an feature enhanced derivative of NSSplitView. It has support for sticky top or bottom toolbars for each of its subviews.
4. CcnpreferenceswindowcontrollerCCNPreferencesWindowController is an Objective-C subclass of NSWindowController that automatically manages your custom view controllers for handling app preferences.
5. CnusernotificationCNUserNotification is a kind of proxy to give OS X Lion 10.7 „the same‟ support for user notifications like OS X Mountain Lion 10.8 does. Benefits are also a bit more flexibility since you are able to define a custom banner image or variable dismiss delay times.
6. CnbackstagecontrollerCNBackstageController is an derivative of NSWindowController and a special impelementation to show you the content you would like to see. It mimics the behavior you’ve just seen in Notification Center (the Slide-In effect) of Mountain Lion.