OpenStep

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* and [[Display Postscript]], an interface for drawing to the screen using the PostScript graphics language. * and [[Display Postscript]], an interface for drawing to the screen using the PostScript graphics language.
-The OpenStep specification is available in a couple of different formats from [http://www.gnustep.org/resources/resources.html].+The OpenStep specification is available in a couple of different formats from [http://www.gnustep.org/developers/documentation.html].
Commercial successor of the [[OpenStep]] is Apple's [[Cocoa]]. Commercial successor of the [[OpenStep]] is Apple's [[Cocoa]].

Revision as of 21:50, 3 June 2007

OpenStep is an Application Programming Interface (API) for creating applications using the Objective-C language. It was published by NeXT Computer Inc. in 1994.

OpenStep consists of three parts:

  • the FoundationKit, a library of non-graphical objects;
  • the AppKit, a library of objects useful in creating graphical applications;
  • and Display Postscript, an interface for drawing to the screen using the PostScript graphics language.

The OpenStep specification is available in a couple of different formats from [1].

Commercial successor of the OpenStep is Apple's Cocoa.