- Accessorizer: Xcode’s No.1 companion for Cocoa and Cocoa Touch
- MDN Mac, iPhone & iPad Video Training Courses
- Leopard Collection Classes
- Sparkle: a free software update framework for Cocoa developers
- Core Data and Threading
- Core Data Synchronization (ZSync)
- KVO+Blocks: Block Callbacks for Cocoa Observers
- KSExtensibleManagedObject
- A better way to share ad-hoc builds
- Key-Value Observing Done Right
- Handling unhandled exceptions and signals
- Downloading Images for a Table without Threads