Leopard Reference Library
Cocoa Frameworks lists reference documents for the frameworks located in the System/Library/Frameworks folder that are most relevant to Cocoa developers. Click an HTML or PDF link below to find reference material for a particular framework.

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Address Book Objective-C Framework Reference (HTML) (PDF)
Describes the Cocoa API for supporting and working with Address Book.
2007-07-08
Application Kit Framework Reference (HTML) (PDF)
Describes the interface for all things related to an application's user interface.
2008-11-19
Automator Framework Reference (HTML) (PDF)
Describes the Objective-C API for creating and working with actions used by the Automator application.
2006-10-26
Calendar Store Framework Reference (HTML) (PDF)
Describes the Calendar Store framework classes and methods used to access iCal data.
2007-07-08
Collaboration Framework Reference (HTML) (PDF)
Describes the Objective-C API for monitoring and editing identities.
2007-05-14
Core Data Framework Reference (HTML) (PDF)
Describes the Objective-C API for the Core Data framework.
2007-07-24
Exception Handling Framework Reference (HTML) (PDF)
Describes the API used to monitor and debug exceptional conditions in Objective-C code.
2006-10-03
Foundation Framework Reference (HTML) (PDF)
Describes the Foundation framework API.
2008-06-27
Identity Services Reference Collection (HTML) (PDF)
Describes the APIs for using identities and the Identity Picker.
2007-05-14
Instant Message Framework Reference (HTML) (PDF)
Describes the API for providing iChat presence information to Cocoa applications and using iChat Theater.
2007-07-08
Message Framework Reference (HTML)
Describes the Objective-C API for sending email messages through the Mail application.
2008-04-08
Preference Panes Framework Reference (HTML) (PDF)
Describes the Objective-C API for supporting and working with preference panes.
2006-05-23
QTKit Framework Reference (HTML) (PDF)
Describes the interfaces for working with QuickTime movies and media capture.
2007-10-31
Quartz Core Framework Reference (HTML) (PDF)
Describes the interfaces for Core Image and Core Video.
2008-03-12
Quick Look Framework Reference (HTML) (PDF)
Describes the interface for creating plug-ins that generate Quick Look previews and thumbnails.
2007-04-13
Screen Saver Framework Reference (HTML) (PDF)
Describes the Objective-C API for supporting and working with screen effects.
2006-05-23
Scripting Bridge Framework Reference (HTML) (PDF)
Describes the interface that allows Cocoa applications to communicate with scriptable applications.
2007-05-29
Security Foundation Framework Reference (HTML) (PDF)
Describes the Security Foundation framework for adding fine-grained control of privileged operations in an application.
2006-05-23
Security Interface Framework Reference (HTML) (PDF)
Describes the Objective-C API for creating views and dialogs relating to authorization, certificates, and keychains.
2006-07-14
Sync Services Framework Reference (HTML) (PDF)
Describes the Objective-C API for the Sync Services framework used to sync applications and devices.
2007-10-31
Web Services Core Framework Reference (HTML)
Describes the client-side APIs for accessing web services.
2009-01-06
WebKit Objective-C Framework Reference (HTML) (PDF)
Describes the Objective-C API used to display web content in windows.
2008-10-15