Install RawTherapee 4.2 On Ubuntu 15.04

RawTherapee image processing software (similar to Adobe Lightroom) for Ubuntu Linux. How to install RawTherapee 4.2 on Ubuntu 15.10, Ubuntu 14.04, Ubuntu 15.04 and Ubuntu 14.10. RawTherapee is a powerful image processing software written in C++ and has GTK+ frontend. RawTherapee 4.2 is the latest version available of the RawTherapee image processing software. RawTherapee 4.2 […]