This package includes audio, graphics, hardware I/O, and other auxiliary tools. These tools include AU Lab, OpenGL Driver Monitor, OpenGL Profiler, Pixie, Quartz Debug, CarPlay Simulator, HomeKit Accessory Simulator, IO Registry Explorer, Network Link Conditioner, PacketLogger, Printer Simulator, 64BitConversion, Clipboard Viewer, Crash Reporter Prefs, Dictionary Development Kit, Help Indexer, and Modem Scripts.
