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The Reference Library is a comprehensive collection of Apple technical resources, including Articles, Guides, Reference, Release Notes, Sample Code, Technical Notes, and Technical Q&As. Each of the links below leads to the resources for a specific topic.
View the complete Reference Library List.
Apple Applications
Application software from Apple that other products can interact with and extend. 		 
Audio
Programming interfaces for recording, processing, playing, and creating sound content. 		 
Carbon
A set of C APIs for developing applications for Mac OS X.
Cocoa
Object-oriented frameworks for developing applications for Mac OS X. 		 
Core Foundation
A framework providing basic software services to programs and application environments. 		 
Darwin
The open source foundation of Mac OS X, based on 4.4BSD UNIX.
Games
Mac OS X technologies essential to game developers. 		 
Graphics & Imaging
Programming interfaces for creating 2D, 3D, and PDF content. 		 
Hardware & Drivers
Resources for developing hardware, device drivers, and device-access software.
Internationalization
Resources for developing for different text systems and other locale-specific features. 		 
Internet & Web
Technologies for web content, web server, and web-enabled client applications. 		 
Java
An environment for developing cross-platform applications. Java is built into Mac OS X.
Mac OS X
Indispensable Reference Library resources that describe Mac OS X at a high level. 		 
Mac OS X Server
Resources for working with Apple's server platform. 		 
Networking
Protocols and services that support networking and communication capabilities.
Open Source
Open source technologies, programming languages, servers, and toolkits. 		 
Performance
Support for improving code and hardware performance. 		 
Porting
Tools and programming interfaces to help move code to Mac OS X.
Printing
Technologies for imaging content to a PDF document or a printing device. 		 
QuickTime
A cross-platform technology for creating, delivering, and playing multimedia content. 		 
Scripting & Automation
Scripting languages and tools, workflow automation, and application scriptability.
Security
Authentication, authorization, and cryptographic services. 		 
Storage
Devices and file systems that provide data storage. 		 
Text & Fonts
Routines for working with strings and fonts, and for rendering glyphs.
Tools
A suite of developer tools, including Xcode and UNIX tools. 		 
User Experience
The look and feel of Mac OS X application software. 		 
View legacy documents, including technologies, features, products, APIs, and programming techniques that are no longer supported or have been superseded.