The first commercial object-oriented version of the C programming language. Objective-C was used to write macOS and iOS (iPhone/iPad) applications prior to Apple's adoption of the Swift language.

You'll need "Openstep-4.2-Intel-User.iso" and "Openstep-4.2-Intel-Developer.iso" from the usual places. A boot floppy in which the extension ".floppyimage" has been changed to ".img" so it can be ...

This article provides an introduction to GNUstep development. It guides the reader through installing GNUstep and developing a small application. The Objective-C language, a true object-oriented ...

Sony unveiled plans to deliver a mobile development platform based on an open source version of Apple's OpenStep and Cocoa technologies, shortly before announcing the project was put on hold. Sony's ...