If you have a project that you would like to add to this list, please contact my via the details on the main page of this documentation.
Benito #7, an AVR Programmer: http://www.dorkbotpdx.org/blog/feurig/benito_7_the_next_big_thing
Stripe Snoop, a Magnetic Card reader: http://www.ossguy.com/ss_usb/
USB10 AKA "The Ferret", a USB162 development board: http://www.soc-machines.com
Bicycle POV: http://www.code.google.com/p/bicycleledpov/
Digital Survey Instruments Magnetometer and Pointer: http://www.digitalsurveyinstruments.com/
ARPS Locator: http://la3t.hamradio.no/lab//?id=tracker_en
Lightweight CC110x USB dongle for 868MHz Protocols: http://busware.de/tiki-index.php?page=CUL
AVROpendous, an open design/source AT90USB162 development board: http://avropendous.org/
USB Interface for Playstation Portable Devices: http://forums.ps2dev.org/viewtopic.php?t=11001
USB to Serial Bridge, via SPI and I2C: http://www.tty1.net/userial/
Teensy, another tiny AT90USB162 development board: http://www.pjrc.com/teensy/index.html
SEGA Megadrive/Genesis Development Cartridge: http://www.spritesmind.net/_GenDev/forum/viewtopic.php?t=464
CAMTRIG, a remote Camera Trigger device: http://code.astraw.com/projects/motmot/camtrig