See:

["XSane"] is an ["XFree86"] based graphical interface for the SANE (Scanner Access Now Easy) library, which provides access to scanners, digital cameras, and other capture devices. ["XSane"] is written in GTK+ and provides control for performing the scan and then manipulating the captured image.

You may install xsane-gimp if you want the ["GIMP"] plug-in.

See also: Multifunctional