iOS color picker view controller which presents a hue bar and a saturation/brightness box to allow selection of any RGB color.
A handy class that prompts users of your iPhone or Mac App Store app to rate your application after using it for a while. Similar to Appirater, but with a simpler, cleaner interface and automatic support for iOS fast application switching.
A grid view for iPhone/iPad, designed to look similar to NSCollectionView.
This is a forward geocoding API for iPhone/iPad
A proper CSV parser for Objective-C
A performant Grid-View for iOS (iPhone/iPad) that allows sorting of views with gestures (the user can move the items with his finger to sort them) and pinching/rotating/panning gestures allow the user to play with the view and toggle from the cellview to a fullsize display.
Library for dynamically checking for updates to Mac/iPhone App Store apps from within the application and notifying users about the new release. Can also notify users about new features in the app the first time they launch after an upgrade.
In-App Purchases StoreKit for iOS devices
Easy file previewing for iOS.
RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X