Mac Dev Center

Mac OS X Leopard Software Seeds

Pre-release versions of Mac OS X are available to ADC Premier and Select Members.

• Mac OS X
• Mac OS X Server
• Mac OS X Server v10.5 Serial No. - exp. Feb. 27, 2009
• Kernel Debug Kit

Xcode

Xcode is a free download for Mac OS X development. Xcode includes the Xcode IDE for coding, building, and debugging your application, Interface Builder to design the UI, and Instruments and Shark to analyze behavior and performance, plus dozens of additional tools. (ADC online membership required.)

Leopard Reference Library

With hundreds of documents to choose from, you may browse the Leopard Reference Library directly, or view the same documents conveniently sorted into the categories below.

View Reference Library

Getting Started

If you're relatively new to the developing for Mac OS X, the best place to start is with an overview of the technologies that make up the platform.

• Getting Started
• Leopard Technology Overview
• Mac OS X Technology Overview
• Making the most of the ADC Reference Library

Coding Headstarts

Complete with introductory video, lesson guide and sample code in an Xcode project, you'll learn to create new and compelling features in your application using the development languages, APIs and frameworks of Mac OS X Leopard.

• Coding Headstarts

Leopard Development Videos

Watch Apple engineers and experts from WWDC 2007 and Leopard Tech Talks through ADC on iTunes. See how you can start using technology from Leopard in your development process today. Learn more

Leopard for IT

IT professionals will find a number of new features in Leopard that make their jobs easier. Documentation on many of these features is available in these categories within the Leopard Reference Library.