Raw Therapee 3 is now free software

kantier writes: "The only (as far as I know) usable and free (as in beer) program for processing lots of RAW photos outside Windows or OSX (GNU/Linux, in my case) is now also Free as in freedom. From version 3 onwards the code is licensed under the GPL v3. The main developer's reasons for the opening of RT are because of lack of time/resources for full dedication, and lack of interest in some parts of the program (likes to fiddle with image processing algorithms, not so much the GUI part), so the F/OSS model seems to be a perfect fit for this project."

There's also some other stuff, like new features

[kantier]

I copy the full announcement:

RawTherapee 3.0 alpha 1 and license changes

January 04, 2010

The first alpha version of RawTherapee 3.0 is available for download. Note that this is not a feature complete version. In V3.0 both major
GUI/workflow and algorithm changes are planned. This alpha version demonstrates the new, much more efficient GUI, but it does not contain
any algorithmic changes yet.

The most significant changes in the GUI are the following:

• multi-tab interface
• the real batch processing support arriv