RawTherapee is an advanced raw image processor .
RawTherapee boasts a wide range of features letting you get the most from your raw photos including modern and traditional demosaicing algorithms, advanced color handling, enhanced exposure and tonality tools, multiple denoising methods, and several tools to enhance details. It uses multi-thread algorithms for high performance. Batch processing is also available.
A wide variety of digital cameras are supported including almost all DSLRs and even some medium format bodies. The interface is configurable into various layouts including: multiple tabs, single tab with filmstrip, vertical tab with filmstrip.