Although many applications have been created from scratch for Mac OS X, many more have been ported from existing Windows, UNIX, or Mac OS 9 applications. With the introduction of the G5 processor, some application developers are even taking the step of porting their 32-bit applications to the 64-bit memory space offered by the new architecture.
The Reference Library > Porting section of the Apple Developer Connection Reference Library contains documents to help you in your porting efforts. The following sections also provide general design guidelines to consider when porting software to Mac OS X.
64-Bit Considerations
Windows Considerations
Carbon Considerations
Last updated: 2007-10-31