OPENSTEP

E46387

application programming interface operating system environment

OPENSTEP is an object-oriented application programming interface and operating system environment developed by NeXT that later formed the technological foundation for macOS and iOS.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (11)

Label	Occurrences
OPENSTEP canonical	23
AppKit	1
NeXTSTEP	1
NeXTSTEP AppKit	1
OPENSTEP APIs	1
OPENSTEP for Mach	1
OPENSTEP frameworks	1
OPENSTEP operating system	1
OpenStep	1
OpenStep API	1
OpenStep AppKit	1

How this entity was disambiguated

This entity first appeared as the object of triple T364481 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: OPENSTEP
Context triple: [NeXT Inc., product, OPENSTEP]

A. Macintosh Toolbox
The Macintosh Toolbox was the core collection of system software routines and services that provided the graphical user interface, event handling, and application support framework for the classic Mac OS.
B. Objective-C
Objective-C is an object-oriented programming language primarily known for its use in developing software for Apple's macOS and iOS platforms.
C. NeXT Inc.
NeXT Inc. was a computer company founded by Steve Jobs that developed advanced workstations and the NeXTSTEP operating system, which later formed the technological foundation for macOS and iOS.
D. Mac OS 9
Mac OS 9 is the final major release of Apple's classic Mac OS line, known for features like Sherlock 2, improved internet integration, and serving as a bridge before the transition to Mac OS X.
E. AppleTalk
AppleTalk was Apple’s proprietary suite of networking protocols that enabled file and printer sharing and other communication services between Macintosh computers and devices.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: OPENSTEP
Target entity description: OPENSTEP is an object-oriented application programming interface and operating system environment developed by NeXT that later formed the technological foundation for macOS and iOS.

A. Macintosh Toolbox
The Macintosh Toolbox was the core collection of system software routines and services that provided the graphical user interface, event handling, and application support framework for the classic Mac OS.
B. Objective-C
Objective-C is an object-oriented programming language primarily known for its use in developing software for Apple's macOS and iOS platforms.
C. NeXT Inc.
NeXT Inc. was a computer company founded by Steve Jobs that developed advanced workstations and the NeXTSTEP operating system, which later formed the technological foundation for macOS and iOS.
D. Mac OS 9
Mac OS 9 is the final major release of Apple's classic Mac OS line, known for features like Sherlock 2, improved internet integration, and serving as a bridge before the transition to Mac OS X.
E. AppleTalk
AppleTalk was Apple’s proprietary suite of networking protocols that enabled file and printer sharing and other communication services between Macintosh computers and devices.
F. None of above. chosen

Statements (42)

Predicate	Object
instanceOf	application programming interface ⓘ operating system environment ⓘ
basedOn	NeXTSTEP ⓘ surface form: NeXTSTEP APIs
category	API specification ⓘ application framework ⓘ software development platform ⓘ
developer	NeXTSTEP ⓘ surface form: NeXT
formsFoundationFor	iOS ⓘ macOS ⓘ
historicalRole	precursor to Apple’s modern operating systems ⓘ
includesFramework	Application Kit ⓘ Display PostScript-based graphics ⓘ Foundation framework ⓘ surface form: Foundation Kit
influenced	AppKit design in macOS ⓘ Cocoa ⓘ UIKit ⓘ surface form: Cocoa Touch Foundation design in macOS ⓘ GNUstep ⓘ
introduced	mid-1990s ⓘ
languageBinding	C ⓘ Objective-C ⓘ
license	proprietary ⓘ
operatingSystemEnvironmentFor	NeXT Inc. ⓘ surface form: NeXT computers
programmingParadigm	object-oriented ⓘ
provides	application frameworks ⓘ object runtime services ⓘ user interface components ⓘ
relatedTo	NeXTSTEP ⓘ macOS Cocoa ⓘ surface form: macOS Cocoa API
standardizedBy	NeXT and Sun Microsystems ⓘ
successor	Cocoa ⓘ
supports	object messaging via Objective-C runtime ⓘ
supportsDistributedObjects	true ⓘ
supportsEventDrivenProgramming	true ⓘ
supportsGUIProgramming	true ⓘ
supportsObjectPersistence	true ⓘ
supportsProgrammingModel	Model-View-Controller ⓘ surface form: Model–View–Controller
targetPlatform	HP-UX ⓘ NeXTSTEP ⓘ Solaris operating system ⓘ surface form: Solaris Windows NT ⓘ
usesGraphicsSystem	PostScript ⓘ surface form: Display PostScript

How these facts were elicited

Referenced by (33)

Full triples — surface form annotated when it differs from this entity's canonical label.

WorldWideWeb (web browser) → operatingSystem → OPENSTEP ⓘ

subject surface form: WorldWideWeb

this entity surface form: NeXTSTEP

NeXT Inc. → product → OPENSTEP ⓘ

NeXT Inc. → keySoftwareTechnology → OPENSTEP ⓘ

this entity surface form: NeXTSTEP AppKit

Cocoa → predecessor → OPENSTEP ⓘ

this entity surface form: OpenStep

NeXTSTEP Foundation Kit → usedIn → OPENSTEP ⓘ

NeXTSTEP Foundation Kit → operatingSystem → OPENSTEP ⓘ

this entity surface form: OPENSTEP for Mach

NeXT Mail → operatingSystem → OPENSTEP ⓘ

NEXT → notableProduct → OPENSTEP ⓘ

subject surface form: NeXT Inc.

NEXT → operatingSystemDeveloped → OPENSTEP ⓘ

subject surface form: NeXT Inc.

NEXT → softwareProductLine → OPENSTEP ⓘ

subject surface form: NeXT Inc.

this entity surface form: OPENSTEP frameworks

macOS Cocoa → predecessor → OPENSTEP ⓘ

this entity surface form: OpenStep AppKit

NeXTSTEP → successor → OPENSTEP ⓘ

NeXTSTEP → includesFramework → OPENSTEP ⓘ

this entity surface form: AppKit

NeXTSTEP → influenced → OPENSTEP ⓘ

NeXTcube → operatingSystem → OPENSTEP ⓘ

Mach → influenced → OPENSTEP ⓘ

Mach → usedIn → OPENSTEP ⓘ

NeXTSTEP Interface Builder → operatingSystem → OPENSTEP ⓘ

Application Kit → operatingSystem → OPENSTEP ⓘ

Application Kit → lineage → OPENSTEP ⓘ

NeXT and Sun Microsystems → notableProduct → OPENSTEP ⓘ

subject surface form: NeXT

NeXT and Sun Microsystems → coDeveloped → OPENSTEP ⓘ

subject surface form: NeXT

NeXT and Sun Microsystems → coDeveloped → OPENSTEP ⓘ

subject surface form: Sun Microsystems

GNUstep → implements → OPENSTEP ⓘ

this entity surface form: OPENSTEP APIs

GNUstep → inspiredBy → OPENSTEP ⓘ

Enterprise Objects Framework → operatingSystem → OPENSTEP ⓘ

Mach microkernel → influenced → OPENSTEP ⓘ

Mach microkernel → usedIn → OPENSTEP ⓘ

this entity surface form: OPENSTEP operating system

Rhapsody → basedOn → OPENSTEP ⓘ

Rhapsody → supportsProgrammingInterface → OPENSTEP ⓘ

this entity surface form: OpenStep API

Rhapsody → predecessor → OPENSTEP ⓘ

Workspace Manager → operatingSystem → OPENSTEP ⓘ

NeXT Computer line → operatingSystem → OPENSTEP ⓘ

All labels observed (11)

How this entity was disambiguated Show

Statements (42)

How these facts were elicited Show

Referenced by (33)

How this entity was disambiguated

How these facts were elicited