Similar to OpenDarwin

Automator (macOS)

AVFoundation

Carbon (API)

Classic Environment

Core Animation

Core Audio

Core Data

Core Foundation

Core Image

Core Text

Cover Flow

Dashcode

DVD Player (macOS)

Enterprise Objects Framework

FileVault

Font Book

Grapher

IMessage

Inkwell (Macintosh)

Interface Builder

ISync

Launchd

Launchpad (macOS)

Lucida Grande

Mach-O