Adobe Photoshop
Canon Digital Photo Professional
ACDSee
Canvas
IrfanView
Picasa
GIMP
Adobe Photoshop Lightroom
Zoner Photo Studio
ACDSee Photo Manager
XnView
Adobe DNG Converter
Adobe Photoshop Camera Raw

GIMP
dcraw
gphoto2
darktable

Canon Digital Photo Professional
Aperture
Adobe Photoshop
Picasa
GIMP
ColorStrokes