Graphics-related software for Linux

optical character recognition application

open source collection of about 80 command-line tools for manipulating geographic and Cartesian data sets

high-dynamic-range imaging software

SimpleScreenRecorder is a Qt-based free and open source multithreaded screencast software made for Linux and Unix-like operating systems which can handle similar tasks FFmpeg/avconv and VLC does.

open-source project enabling management and web publication of photographs and other media