There are 4 repositories under kernel-extension topic.
Intel Bluetooth Kernel Extensions for macOS
iSCSI Initiator for macOS
Enable AMD/NVIDIA eGFX for All Thunderbolt Macs with SIP, ART & FileVault support.
A Mac OS X kernel mode filter driver ( a kernel extension ) for devices, file systems and network
A MacOS network kernel extension filter for IPv4/IPv6 sockets.
Karabiner-VirtualHIDDevice is a virtual HID device driver for macOS.
A MacOS VFS isolation layer to redirect file I/O operations.
Lilu plugin which applies common patches for the mobile HD4600 iGPU
A collection of helper functions, macros, and similar which are useful for developing macOS DriverKit and kernel extensions (dexts & kexts) and working with them from user space. Mirror of https://gitlab.com/pmdj/kextgizmos
A generic macOS kernel extension that handles firmware decompression and management.
Lilu plugin required for the Broadcom BCM94352Z on Sierra (unstable)