The best free RAW converter!

RawTherapee 4.0.11 includes a number of new features which you can read about below, but just as importantly it contains a large number of speed improvements and bug fixes, so we recommend you update straight away! Builds should be ready within a day or two. Once they are, get them from the Downloads section or using your operating system's package manager.

The source code tarball is available from our Google Code page. Read below to find out more about what's new.
New features
CIECAM02 "Adaptation scene luminosity" now calculated automatically
CIECAM02 hot/bad pixel fixer to prevent bright pixels from appearing
The Defringe tool is now able to target a range of specific colors without touching others
New bundled processing profiles
New keyboard shortcuts to apply rank and color labels and a new direct popup menu for color labels, all in the File Browser
"Profile Fill Mode" button controls whether to replace missing processing profile values with default ones or not
Keyboard shortcuts to open the next/previous image and to synchronize the File Browser strip with the currently opened image
New demosaicing algorithms for noisy photos:
LMMSE
IGV
More zoom levels
Redesigned save window
New functionality of the minima/maxima control points curves editor, see the RawTherapee Manual
Support for TIFF files with alpha channels
Support for 32-bit TIFF files (HDR)
Preferences/Batch processing options: all to 'Add' and all to 'Set'
Support for
Nikon D5200
Nikon D7100
Nikon COOLPIX A
Panasonic Lumix DMC-G5
+ Many significant speed improvements and bug fixes.
Refer to the RawTherapee Manual for information about these tools and how to use them.