Useful programs - graphical


Gimp

Gimp is an excellent tool:

apt-get install gimp gimp-help-common


Some extra features:

apt-get install gimp-data-extras gimp-gmic gimp-ufraw gnome-xcf-thumbnailer


Help

apt-get install gimp-help-fr


Dia

Dia is a very good tool for diagrams:

apt-get install dia