RawTherapee from my experience is by far the best program to manipulate RAF files, it’s demosaic algorithm for Fujifilm X-Trans sensors is astonishingly good. Too bad that, like for Darktable, the version included in Fedora’s repos is outdated to say the least. To install from source first install some dependecies: $ sudo dnf install bzip2-devel cmake exiv2-devel expat-devel fftw-devel gcc-c++ glib2-devel glibmm24-devel gtk3-devel gtkmm30-devel lcms2-devel libcanberra-devel libiptcdata-devel libjpeg-turbo-devel libpng-devel libsigc++20-devel libtiff-devel zlib-devel gtkmm24-devel lensfun-devel Git clone and install …

Darktable documentation on this matter is somewhat fragmented, so I figure a small how-to on how to install it from source on Fedora 23 could be useful. The version included in the official repositories is really old (version 1.6.9 as per today) and is missing some important presets for many widely used cameras. The latest version source code archive can be downloaded from here: https://github.com/darktable-org/darktable/releases. Before compiling and installing the software the following dependencies must be installed: …