Similar to Objective-C
IChat
IChat
Inkwell
Inkwell (Macintosh)Interface Builder
Interface BuilderISync
ISyncKeychain
Keychain (software)KWQ
Launchd
Launchd
Launchpad (macOS)
Launchpad (macOS)Lucida Grande
Lucida GrandeMac Catalyst
Mac OS X Public Beta
Mac OS X Public BetaMach-O
Mach-OMission Control
Mission Control (macOS)New World ROM
New World ROM
NeXT
NeXT
NEXTSTEP
NeXTSTEP
Nitro
OpenDarwin
Darwin (operating system)#OpenDarwin
OPENSTEP
OpenStepOS X Sea Lion
OSx86
Photo Booth
Photo Booth
Project Builder
Project BuilderPyObjC
PyObjC
Quartz
Quartz (graphics layer)Quartz 2D
Quartz 2DQuartz Compositor
Quartz Compositor
Quick Look
Quick Look
