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Java access to USB, currently using kernel 2.4 Linux-USB support. There is a "core" API for accessing USB devices, and simple tools including a USB viewer in Swing. Applications are being developed separately, including digital camera support.
Components for Windows 98 and Windows NT4 for retrieving text or graphic primitives from any location on the screen (primarily used for screen reader utilities for blind users), and a standard Braille device driver library. See link below for license.
Control your Canon EOS 300/350/(400/450) over your PC via Parallel Port. With EasyEOS you can take HDR pictures in a short amount of time without touching the camera during the process of taking them.
gptp is a simple gtk frontend for libptp which lets you control the settings and download images from your (Picture Transfer Protocol able) digital camera. so far only a few basic functions are supported and it was only tested with my Nikon D80.