SANE Supported Devices: www.sane-project.org/sane-supported-devices.html
Kooka: kooka.kde.org
XSane: xsane.org
dcraw: www.cybercom.net/~dcoffin/dcraw
ufraw: ufraw.sourceforge.net
CinePaint: www.cinepaint.org
The GIMP: gimp.org
digiKam: www.digikam.org
Kipi plugins for digiKam: extragear.kde.org/apps/kipi
F-Spot: f-spot.org/Main_Page
gphoto: www.gphoto.org