DarkTable LightRoom (64-bit)

This program is a photography application that specializes in a subset of image editing operations for the post-production of lossless raw images.

It is primarily focused on improving the workflow of photographers by facilitating the processing of large volumes of images.

The program does not immediately apply to the raster data of the image, but preserves the original image data until the final rendering at the export stage - while displaying parameter adjustments in real time by the user. The program has built-in ICC profiles, GPU acceleration (OpenCL based), and supports the most common image formats.