RawTherapee is a free, versatile photo editing software designed primarily for RAW image formats. It supports a variety of file types from DSLR cameras, including NEF and DNG, as well as common formats like JPG and TIFF. The interface is reminiscent of Adobe Lightroom, making it accessible for users familiar with that environment. While effects may take some time to render, the end results are rewarding, allowing photographers to enhance their images significantly.

The application includes essential tools for photo processing, such as adjustments for brilliance, contrast, levels, colors, sharpness, and noise reduction. Users can also crop, resize, and manage their photo history and metadata. Navigating through the software is straightforward, with an intuitive file explorer integration. Advanced features enable detailed editing, such as recovering poorly lit photos and retouching portraits, making RawTherapee a powerful tool for both amateur and professional photographers.