RawTherapee
darktable
Entangle
Image Viewer
Gtkam Digital Camera Browser
Luminance HDR
LXImage
Lynkeos Image Processor
Rapid Photo Downloader
gThumb Image Viewer
Photos
digiKam
Gwenview
KPhotoAlbum
Open in RAW editor
Showfoto
PhotoFlow
Shotwell
UFRaw
