A good supply of customization tricks and hacks, satisfying the more adventurous user who doesn't shy away from ResEdit. Also has an extensive online forum.

The Mac OS Students and Teachers. Provides a way to learn about Mac programming by using tutorials and other guides on their site.

Discusses the sometimes subtle differences between a good user interface and a terrible one. From the author of Internet Config.

An exhaustive description of gestalt selectors.

Comments from nearly 200 Mac programmers have been assembled here as a beginners reference to Mac programming.

Information and tools about the Desktop Database, source code of a PascalLib that provides C-style string routines for Pascal Strings.

General tips about how to program on the Mac, most of them fairly obvious.

Questions and answers to Mac programming problems compiled from USENET extracts and articles.

Browseable archives of all issues of "develop", Apple's award-winning technical journal, published quarterly from January 1990 to March 1997.