darktable is an open source digital lighttable and darkroom. Made for and by photographers that value full control, its flexible stack-based and scene-referred editing approach provides advanced raw photo processing, while the library features offer versatile digital asset management.
Have a look at our current features and how to install it on your system. And if you're new to darktable, the FAQ will answer many of your questions.
darktable is created for photographers, by photographers.
Having developers that are also avid photographers as part of the target audience is good for understanding the real world problems, challenges, and workflows.
darktable edits your images non-destructively all the way through its pipeline. Your original image is never modified! Professional color management features ensure fidelity all the way to print and GPU accelerated processing means you can speed up your workflow using your video card.
darktable has a friendly and welcoming community. Join us at the forum, our Flickr page or in our Matrix room. You are also welcome to contribute by participating on GitHub or just by being part of the community.