This is a central hub for downloading kext files for your Hackintosh. Kext files are files that tell the operating system how to input output with the hardware onboard and can be classed as Apples version of driver files.
This is an active site with a large forum. This site is the home of CustomBeast, iBoot + MultiBeast is is dedicated to Hackintosh issues. This also maintains a DSDT database for this up and coming technology.