UFRaw (Unidentified Flying Raw) is an editor for raw images. The program shows the raw image including its raw histogram with conversion curves, live histogram, and includes many great features: you can change the exposure compensation, white balance, grayscale, lens correction, base curve, color management, correct luminosity, saturation, lightness adjustments, crop and rotate... (
more)
The program works with the following extensions:
cr2,
crw,
dng,
mrw,
nef,
orf,
pef,
raf,
arw and
ufraw