gtex-letter is developed on Linux and is known to work with these components. * Gnome. Version 1.2 and above. * Python. Version 1.5.2 and above. * LaTeX. Any standard Distribution. * Python-Gnome. Version 1.0.53 and above. * ImageMagick. Any Version should do. ImageMagick is installed on most standard Linux systems except Debian ones. This dependency is due to gtk/gdk (that comes with Gnome).