The user interface is built around efficient caching of image metadata and mipmaps, all stored in a database.

The internal architecture of the app allows users to easily add modules for all sorts of image processing, from the very simple (crop, exposure, spot removal) to the most advanced (simulation of human night vision). It's also one of the very few FOSS projects able to do tethered shooting. It focuses on the workflow to make it easier for the photographer to quickly handle the thousands of images a day of shooting can produce. ufraw, rawstudio, f-spot, digikam, shotwell). There are multiple alternatives in the open source world for raw development (ufraw, dcraw, rawtherapee) but Darktable tries to fill the gap between the excellent existing free raw converters and image management tools (such as e.g. Raw is the unprocessed capture straight from the camera's sensor to the memory card, nothing has been altered. It manages your digital negatives in a database, lets you view them through a zoomable lighttable and enables you to develop raw images and enhance them. A virtual lighttable and darkroom for photographers. Darktable for Mac is an open source photography workflow application and RAW developer.

For ios instal darktable 4.4.1