An open-source OS project that aims to provide source and binary compatibility with macOS® and a similar user experience.

GeoSn0w's OpenJailbreak Project, an open-source iOS 11 to iOS 13 Jailbreak project & vault.

A WIP "Vulnerable by Design" kext for iOS/macOS to play & learn *OS kernel exploitation

An Open-Source iOS 11.0 -> 11.4.1 (soon iOS 13) Jailbreak, made for teaching purposes.

Research into porting the XNU kernel to ARM devices.

Welcome to Hoyt's SRD Repo for the Apple Security Research Device. Contribute Code or Open an Issue or Discussion.

A QEMU fork emulates D22AP/D221AP devices(iPhone X).

PoC showing a method to hide syscalls on XNU (arm64 macOS and iOS) from static analysis

Providing a great interface to the iOS kernel, hardware, threads and processes in a great research environment. (WIP)

Research on Apple's USB protocols

Checks macOS for Kernel Task Port. It may help detect intrusive kexts that would leak the kernel task.

Build your own complete XNU kernel header set, replaces Kernel.framework. Gain access to kernel private structures and symbols etc with IDE indexing worked.

Integration fork of QEMU focusing on XNU platforms (arm, aarch64, etc)

iOS 12.0 -> 12.1.2 _kernproc and _rootvnode offsets for 16K devices

A dump of some things from Jonathan Levin's newosxbook

Kernel Fuzzer for Apple's XNU, mainly meant for the iOS operating system

ravynOS XNU EFI Loader

macOS kext, and userspace client to play with the zalloc kernel allocator.

Latest XNU Source from Apple.