What is Osx86 project?

Osx86, from the join of OSX and x86, is a project carried out by a lot of people to permit to run Mac OSX in non-apple machines.
The word Hackintosh comes from the union of Macintosh and the verb to hack

What is iDeneb?

iDeneb is a Mac OSX Leopard relase modified by Layne and iHackintosh Team, to run on non-Apple computers. This universal relase can run both on Intel and AMD based machines. The current version, iDeneb v1.3 10.5.5, has EFI support, but it can't boot on old macines due the less of Non-EFI boot. This drawback has been worked out with Chameleon bootloader, that can install also on SSE2 computers.