See also:

• Computers: Programming: Languages: Objective-C  (20)
• Computers: Software: Operating Systems: Unix: BSD: Darwin  (9)

• Apple Developer Connection: Mac OS X   - Apple's developer resource for Mac OS X. Contains guidelines, tutorials and API information for new OS X developers. Most documentation is available in HTML or PDF format.

• AltiVec Programming - Apple's main AltiVec/Velocity Engine site including an overview, sample code and various software libraries optimized for the G4.
• Big Nerd Ranch - Big Nerd Ranch offers intensive, head-down Cocoa programming courses taught by experts in a retreat-style environment. Also contains information on Aaron Hillegass' book "Cocoa Programming for Mac OS X".
• Cocoa Dev Central - Tips, tricks, and tutorials for the novice Cocoa developer.
• CocoaDev - A community based Cocoa programming site with content submitted by programmers. Includes tutorials, code, and discussions.
• Mac OS X Programming: Getting Started - Overview of basic Mac OS X programming resources available from Apple, including links to tutorials, developer tools and libraries, and documentation in PDF and HTML formats.
• OmniGroup Source Code and Frameworks - Open Source frameworks and source code from OmniGroup that extend and enhance Apple's Cocoa APIs, simplifying the addition of common features such as find and replace and preference management. OmniGroup also provides advanced networking and HTML parsing frameworks.
• O'Reilly MacDevCenter - Many articles and books on a broad range of Mac OS X developer topics.
• Perlidex 1.1 - Perl development environment for OS X. Features include debugging, executiing Perl Scripts, and installing modules. Offers downloads and registration.
• Programming on Mac OS X. - Cross development tools for OS X. Toolchains, USB, downloads, links, and forum.
• StepWise - News stories, tutorials, and resources for programmers using-or wanting to learn more about- Mac OS X's Cocoa environmnent. Also delves into OpenStep and Web Objects programming.
• UNIX Porting Guide - Apple's guide to porting UNIX software to Mac OS X. Includes information on Mac OS X's quirks and subtle differences.