This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
This is a 9.0-based SwitchBoard firmware that appears to be an earlier version of Monarch 13A93420m and it contains the same set of applications. A filesystem dump most likely weighs in at about 4.6 gigabytes.
This firmware has the kernel version
Darwin Kernel Version 15.0.0: Thu Aug 20 13:13:29 PDT 2015; root:xnu_development-3248.1.3~1/DEVELOPMENT_ARM64_S8000.
Upon booting up, SwitchBoard.app will let you choose from multiple apps. They are: