Darktable is an open source photography workflow application and RAW developer. A virtual lighttable and darkroom for photographers. 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. recently was released version 1.0 that comes with support to new cameras, new modules: shadows & highlight, enhanced tone curve ; refactored modules, new image cache and more.
More about this new release can be found on the release announcement.
Installation in Ubuntu and LinuxMint
Open terminal and enter the following commands:
sudo add-apt-repository ppa:pmjdebruijn/darktable-release sudo apt-get update sudo apt-get install darktable
For other Linux distro, follow the installation instruction in the Darktable website