Similar to Mac_OS_X_Public_Beta

IPhone OS 3

IPhone OS 1

Darwin (operating system)

Aqua (user interface)

AVFoundation

BootX (Apple)

Carbon (API)

Copland (operating system)

Core Data

Core Image

Core Text

Dashcode

Berkeley Software Distribution

Version 7 Unix

Darwin (operating system)#OpenDarwin

OpenStep

Rhapsody (operating system)

Tasman (browser engine)

NeXTSTEP

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