How To Use The Photo Raw Software Darktable 2.0 On Ubun...
darktable is an open source RAW photo developing software that has just recently released its second major version, bringing new features, and a renovated GTK+ 3.0 user interf...
https://www.howtoforge.com/tutorial/how-to-use-the-photo-raw-software-darktable-2-0-on-ubuntu/