OpeniBoot

OpeniBoot is an open source implementation of Apple Inc.'s closed source bootloader iBoot. It allows the booting of unsigned code on supported iDevices (Linux Kernels). It can be controlled via OpeniBoot console (oibc) which can be connected to from a libusb enabled computer.

Supported Devices

Currently,As of 2011 the following iDevices are supported by OpeniBoot:

iPhone - (iPhone1,1)
iPhone 3G - (iPhone1,2)
iPod Touch - 1st Generation (iPod1,1)