PaintShop Pro
Canvas
ACDSee
Adobe Photoshop
Picasa
Windows Live Photo Gallery
Zoner Photo Studio
FastPictureViewer Professional
ACDSee Photo Manager
Adobe Photoshop Lightroom
Corel PaintShop Pro
FastStone Image Viewer
XnView
Adobe DNG Converter
Adobe Photoshop Camera Raw

GIMP
darktable

Adobe Photoshop
Adobe Photoshop Elements
GIMP
Picasa
ColorStrokes