Darktable

Darktable is an open-source photography workflow application and RAW developer. It combines a database-backed lighttable for organizing images with a darkroom for non-destructive development and enhancement.

The project began in 2009 and is maintained by a distributed community. Darktable runs locally rather than as a hosted web service, and it stores image metadata and processing history through its database and XMP sidecar files.

Version 5.6 introduced optional AI features, including interactive object masking, neural denoising and image upscaling. These features depend on the package build, model downloads and available hardware.

Darktable supports non-destructive editing, RAW development, standard image formats and high-dynamic-range workflows. Its processing pipeline uses floating-point pixel buffers and can use OpenCL for GPU acceleration.

The lighttable supports database searches using tags, ratings, color labels and image metadata. Users can import collections, create styles, manage duplicates, apply metadata and organize photographs into films.

The darkroom includes color management, masks, retouching, tone and color controls, sharpening, denoising, lens correction, snapshots and history-based editing. Tethered shooting is available for supported cameras.

Export options include local files, Piwigo web albums, email attachments, HTML galleries and multiple output formats. Lua scripting can automate workflows, access the image database and extend the application.

Darktable 5.6 added an optional AI subsystem. It supports interactive object segmentation, AI RAW denoising, RGB denoising, upscaling and Lua-based AI model inference through the darktable.ai API.

Darktable is free to download and use. The project releases the software under the GNU General Public License version 3 or later, so there is no subscription, paid tier or commercial free-trial period.

Users can download source code, AppImage packages, Windows installers and macOS disk images. Linux packages are also distributed through community-maintained package repositories and Flatpak.

Pros

• Free and open-source under GPL-3.0-or-later.
• Supports non-destructive RAW editing and catalog management.
• Offers extensive color management and image-processing controls.
• Runs on Linux, Windows and macOS, with additional Unix-like support.
• Includes Lua scripting and a documented application programming interface.
• Provides optional AI masking, denoising and upscaling in recent releases.

Cons

• The interface and processing model can require substantial learning.
• AI features may be absent from some third-party packages, including Flatpak.
• Performance and available features depend on GPU drivers and package build options.
• It does not provide built-in cloud synchronization or a hosted collaboration workspace.
• Database upgrades can make newer edits incompatible with older releases.

RawTherapee is a comparable open-source RAW processor with a strong emphasis on image development. digiKam is a broader open-source photo manager with cataloging, metadata and editing functions.

Adobe Lightroom Classic offers an established catalog-and-editing workflow with subscription pricing. Capture One targets professional photographers with advanced RAW processing and tethering. DxO PhotoLab focuses on RAW quality, lens corrections and automated image enhancement.

Is Darktable free?

Yes. Darktable is free and open-source software distributed under GPL-3.0-or-later.

Does Darktable work on Windows and macOS?

Yes. The official project provides Windows installers and macOS disk images. Current macOS bundles support specified recent macOS versions.

Does Darktable have an API?

Yes. Darktable includes a Lua scripting environment and a documented Lua API for working with images, collections, metadata, the database and application events.

Does Darktable include AI features?

Recent versions include optional AI object masking, neural denoising and upscaling. Availability depends on the build, enabled preferences, downloaded models and hardware.

Does Darktable integrate with other services?

Its export system supports Piwigo web albums, local disk storage, email attachments and generated HTML galleries. Lua extensions can add workflows for tools and services such as GIMP, Hugin and external commands.

Does Darktable offer a free trial?

A free trial is not needed because the complete application is available without a paid plan or time limit.

Can Darktable edit JPEG files?

Yes. Darktable supports standard formats such as JPEG alongside RAW and high-dynamic-range formats, although its workflow is especially focused on RAW development.