Want to run Leopard (Darwin 9) in VMware? Oops.. uhh.. where's the keyboard? With Darwin 8 you merely needed to compile ApplePS2Controller.kext and it would magically work. Now it doesn't. What gives!?
gfxCardStatus is an open-source menu bar application that keeps track of which graphics card your unibody, dual-GPU MacBook Pro is using at any given time, and allows you to switch between them on demand.
Another problem for OS X running on non-Apple hardware (virtual or otherwise) is the AppleIntelCPUPowerManagement kernel extension which tends to either panic the machine or spew endless debug messages to the console regarding the HPET and its relationship to the CPU.
VoodooHDA is an open source audio driver for devices compliant with the Intel High Definition Audio specification. It is intended as an Intel-only replacement for AppleHDA on Mac OS X with support for a wide range of audio controllers and codecs. VoodooHDA