Jump To:
Leopard Release Notes
Apple provides APIs, file format specifications, and other resources to provide developers with opportunities to interact with and extend various Apple applications.

A guided introduction to writing code that interacts with Apple applications.   Essential information for developers integrating their code with Apple's applications.   C and Objective-C API references organized by framework.
Apple Applications Topics
Software for maintaining an address book of contacts.   An application for automating repetitive computing procedures.   A personal calendar application that can be shared online.

An application that synchronizes data on a Macintosh computer with external devices.   The advanced web browser for computer desktops and iPhone.