Core OS

Build virtualization solutions on top of a lightweight hypervisor without the need for third-party kernel extensions using Hypervisor.

Gain user-space access to hardware devices and drivers using IOKit.

Develop kernel-resident device drivers and kernel extensions using Kernel.

Perform multithreaded lossless compression of directories, files, and data.

Enable your app to provide lossless compression when saving or sharing files and data using Compression.

OSLog is a unified logging system for the reading of historical data.

The Service Management framework provides facilities to load and unload launchd services and read and modify launchd dictionaries from within an application.

System Configuration allows applications to access a device’s network configuration settings and determine the reachability of the device.

Create hardware-accelerated virtual machines to run macOS and Linux-based operating systems.