Very few Kickstarter projects catch my eye, but the iControlPad 2 - The open source controller certainly did. Thanks to Eotris.
*Fully user programmable microcontroller, running open-source software
*55 key keyboard - Shoulder buttons -Twin analogue nubs - High-quality Dpad
*New swivel clamp for easier phone handling
*Works as a standard HID (keyboard, joystick, iCade etc) for anything with either bluetooth or USB connections
*Lasts for 14 hours of active use on a single charge
*Working prototypes finished, ready for mass production now